MCQ Current Electricity Class-10 for ICSE Physics Sec-A Sem-2 . These MCQ / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming Sem-2 exam of council. Visit official website **CISCE** for detail information about ICSE Board Class-10 Physics .

**MCQ Current Electricity Class-10 for ICSE Class-10 Sec-A Sem-2**

Board | ICSE |

Class | 10th (X) |

Subject | Physics |

Chapter | Current Electricity |

Syllabus | on bifurcated syllabus (after reduction) |

Session | 2021-22 |

Bifurcated | Sem-2 |

Topic | MCQ / Objective Type Question for Sec-A |

** Sec-A Sem-2 ****ICSE Class-10 Physics ****MCQ Type Questions of Current Electricity **

**1. If the current flowing through a fixed resistor is halved, the heat produced in it will become:**

(a) One-fourth

(b) One-half

(c) Double

(d) Four times

**Answer: (a) One-fourth**

**2. You are given four ammeters A, B, C and D having least counts mentioned below:**

(I) Ammeter A with least count 0.25 A

(II) Ammeter B with least count 0.5 A

(III) Ammeter C with least count 0.05 A

(IV) Ammeter D with least count 0.1 A

**Which of the ammeters would you prefer for doing an experiment to determine the equivalent resistance of two resistances most accurately, when connected in parallel?**

(a) Ammeter A

(b) Ammeter B

(c) Ammeter C

(d) Ammeter D

**Answer: (c) Ammeter C**

**3. In parallel combination, the equivalent resistance obtained is**

(a) Grater than each individual resistance

(b) Less than each individual resistance

(c) Equal to each individual resistance

(d) None

**Answer: (b) less than each individual resistance**

**4. If the resistors R1 and R2 connected in parallel then their equivalent resistance is**

(a) 1/Re= 1/R1 + 1/R2

(b) Re= R1*R2/ (R1+R2)

(c) Re= R1 + R2

(d) Both a and b

**Answer: (d) both a and b**

**5. The S.I. unit of power is**

(a) Henry

(b) coulomb

(c) watt

(d) watt-hour

**Answer: (c) watt**

**6. Electric pressure is also called**

(a) resistance

(b) power

(c) voltage

(d) energy

**Answer: (c) voltage**

**7. The least resistance obtained by using 2 Ω, 4 Ω, 1 Ω and 100 Ω is**

(a) < 100 Ω

(b) < 4 Ω

(c) < 1 Ω

(d) > 2 Ω

**Answer: (c) < 1 Ω**

**8. Work of 14 J is done to move 2 C charge between two points on a conducting wire. What is the potential difference between the two points?**

(a) 28 V

(b) 14 V

(c) 7 V

(d) 3.5 V

**Answer: (c) 7 V**

**9. A wire of length ‘L’, made of material resistivity ‘ρ’ is cut into two equal parts. The resistivity of the two parts are equal to,**

(a) Ρ

(b) P/ 2

(c) 2p

(d) P^{2}

**Answer: (a) P**

**10. Insulators have :**

(a) No resistance

(b) High resistance

(c) Small resistance

(d) Variable resistance

**Answer: (b) High resistance**

**11. Which of the given is the SI Unit of Electric Current?**

(a) Ohm

(b) Ampere

(c) Volt

(d) Faraday

**Answer: (b) Ampere **

**12. The hindrance presented by material of conductor to the smooth passing of electric current is known as:**

(a) Resistance

(b) Conductance

(c) Inductance

(d) None of these

**Answer: (a) Resistance **

**13. A wire of length /, made of material resistivity ρ is cut into two equal parts. The resistivity of the two parts are equal to,**

(a) ρ

(b) 𝜌/2

(c) 2 ρ

(d) 4 ρ

**Answer: (a) ρ**

**14. A battery of 10 volt carries 20,000 C of charge through a resistance of 20 Ω. The work done in 10 seconds is**

(a) 2 × 10_{3} joule

(b) 2 × 10^{5}joule

(c) 2 × 10^{4} joule

(d) 2 × 10^{2} joule

**Answer: (b) 2 × 10 ^{5}joule**

**15. To get 2 Ω resistance using only 6 Ω resistors, the number of them required is**

(a) 2

(b) 3

(c) 4

(d) 6

**Answer: (b) 3**

**16. Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is**

(a) current

(b) voltage

(c) resistance

(d) None of these

**Answer: (b) voltage**

**17. The least resistance obtained by using 2 Ω, 4 Ω, 1 Ω and 100 Ω is**

a) < 100 Ω

(b) < 4 Ω

(c) < 1 Ω

(d) > 2 Ω

**Answer: (c) < 1 Ω **

**18. Unit of electric power may also be expressed as**

(a) volt ampere

(b) kilowatt hour

(c) watt second

(d) Joule second

**Answer: (a) volt ampere**

**19. Electrical resistivity of a given metallic wire depends upon**

(a) its length

(b) its thickness

(c) its shape

(d) nature of the material

**Answer: (d) nature of the material**

**20. A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure (i), (ii) and (iii). The current recorded in the ammeter will be**

(a) maximum in (i)

(b) maximum in (ii)

(c) maximum in (iii)

(d) the same in all the cases

**Answer: (d) the same in all the cases**

**20. 1 kWh is equal to**

(a) 3.6 × 10^{6} MJ

(b) 3.6 × 10^{5} MJ

(c) 3.6 × 10² MJ

(d) 3.6 MJ

**Answer: (d) 3.6 MJ**

**21. The slope of voltage (V) versus current (I) is called
**

(a) resistance

(b) conductance

(c) resistivity

(d) conductivity

**Answer: (a) resistance**

**22. Electricity Class 10 MCQ With Answers Pdf Question 11. Calculate the current flows through the 10 Ω resistor in the following circuit.
**

(a) 1.2 A

(b) 0.6 A

(c) 0.2 A

(d) 2.0 A

**Answer: (b) 0.6 A**

**23. Two resistors are connected in series gives an equivalent resistance of 10 Ω. When connected in parallel, gives 2.4 Ω. Then the individual resistance are**

(a) each of 5 Ω

(b) 6 Ω and 4 Ω

(c) 7 Ω and 4 Ω

(d) 8 Ω and 2 Ω

**Answer: (b) 6 Ω and 4 Ω**

**24. If R _{1} and R_{2} be the resistance of the filament of 40 W and 60 W respectively operating 220 V, then**

(a) R_{1} < R_{2}

(b) R_{2} < R_{1}

(c) R_{1} = R_{2}

(d) R_{1} ≥ R_{2}

**Answer: (b) R _{2} < R_{1}**

**25. The effective resistance between A and B is**

(a) 4Ω

(b) 6Ω

(c) May be 10 Ω

(d) Must be 10 Ω

**Answer: (a) 4Ω**

**26. A resistor of length l is connected to a battery and current l is given through it. If it is divided into 3 parts by length. And all having the same cross sectional area are connected in series with the same battery, the current flowing through them will be?**

(a) l/3

(b) 3l

(c) l

(d) 3l/2

**Answer: (c) l**

**27. Two resistances R1 and R2 are connected with a cell in parallel. Find the ratio of current flowing through R1 to the current flowing through R2.**

(a) R1:R2

(b) R2:R1

(c) 1.01

(d) Data not sufficient

**Answer: (b) R2:R1**

**28. A student carries out an experiment and plots the V-I graph of three samples of Nichrome wire with resistances R _{1} R_{2 } and R_{3} respectively. Which of the following is correct?**

(a) R_{1} = R_{2} = R_{3}

(b) R_{1} > R_{2} > R_{3}

(c) R_{1} < R_{2} > R_{3}

(d) R_{1} < R_{2} < R_{3}

**Answer:(d) R _{1} < R_{2} < R_{3}**

**29. ****The resistance of a hollow cylinder of copper of length 10 m and inner and outer radii 2cm and 3 cm respectively is (ρ copper = 2 ×10 ^{-8} Ω m):**

(a) 2/ *π* × 10^{-3} Ω

(b) 2/5 *π* × 10^{-3} Ω

(c) 2/5* *× 10^{-3} Ω

(d) None of the above

**Answer: (b) 2/5** *π* ×** 10 ^{-3} Ω**

**30. The resistance whose V – I graph is given below is**

(a) 5/3 Ω

(b) 3/5 Ω

(c) 5/2 Ω

(d) 2/5 Ω

**Answer: (b) 3/5 Ω**

**31. A resistance having rating 10 ohms, 10 W is likely to be a**

(a) metallic resistor

(b) carbon resistor

(c) wire wound resistor

(d) variable resistor

**Answer: (c) wire wound resistor**

**32. Which one of the following does not have negative temperature co-efficient ?**

(a) Aluminium

(b) Paper

(c) Rubber

(d) Mica

**Answer: (a) Aluminium**

**33. Varistors are**

(a) insulators

(b) non-linear resistors

(c) carbon resistors

(d) resistors with zero temperature coefficient

**Answer: (6) non-linear resistors**

**34. ****1V=**

(a) 1V = 1J*1C

(b) 1V= 1J/1C

(c) 1V= 1C + 1J

(d) 1V = 1C – 1J

**Answer: (b) 1V = 1J/1C**

**35. An electrical appliance has a resistance of 25 Ω. When this electrical appliance is connected to a 230 V supply line, the current passing through it will be:**

(a) 0.92 A

(b) 2.9 A

(c) 9.2 A

(d) 92 A

**Answer: (c) 9.2 A**

**36. If in the given arrangement, the three resistors are to be replaced by a single resistor. What will be the value of this resistor?**

(a) 4Ω

(b) 6Ω

(c) 9Ω

(d) 18Ω

**Answer: (c) 9Ω**

**37. The image shows a combination of 4 resistors.**

**What is the net resistance between the two points in the circuit?**

(a) 0.5 Ω

(b) 1.0 Ω

(c) 1.5 Ω

(d) 2.0 Ω

**Answer: (b) 1.0 Ω**

**38. ****An electric toaster has a power rating of 200 W. It operates for 1 hour in the morning and 1 hour in the evening. How much does it cost to operate the toaster for 10 days at Rs 5 per kW h?**

(a) Rs 20

(b) Rs 400

(c) Rs 5000

(d) Rs 10000

**Answer: (a) Rs 20**

**39. The filament of an electric bulb is made of**

(a) carbon

(b) aluminium

(c) tungsten

(d) nickel

**Answer: (c) tungsten**

**40. A 3 Q resistor having 2 A current will dissipate the power of**

(a) 2 watts

(b) 4 watts

(c) 6 watts

(d) 8 watts

**Answer: (c) 6 watts**

–: End of **Current Electricity MCQ** Type Question :-

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