JEE Physics Current Electricity MCQs Set B

Refer to JEE Physics Current Electricity MCQs Set B provided below available for download in Pdf. The MCQ Questions for Full Syllabus Physics with answers are aligned as per the latest syllabus and exam pattern suggested by JEE (Main), NCERT and KVS. Multiple Choice Questions for Current Electricity are an important part of exams for Full Syllabus Physics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Physics and also download more latest study material for all subjects

MCQ for Full Syllabus Physics Current Electricity

Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Current Electricity in Full Syllabus.

Current Electricity MCQ Questions Full Syllabus Physics with Answers

 

 

Question: Five cells each of emf E and internal resistance r are connected in series. Due to oversight one cell is connected wrongly. The equivalent internal resistance of the combination is

  • a) 5r
  • b) 4r
  • c) 2r
  • d) 3r

Answer: 5r

 

Question:

  • a) 3 A
  • b) 16 A
  • c) 4 A
  • d) 12 A

Answer: 3 A

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) Zero
  • b) 2.5 A
  • c) 2 A
  • d) 1 A

Answer: Zero

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 5 : 4
  • b) 3 : 1
  • c) 5 : 1
  • d) 4 : 5

Answer: 5 : 4

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 27 : 32 : 35
  • b) 21 : 24 : 25
  • c) 9 : 16 : 25
  • d) 3 : 4 : 5

Answer: 27 : 32 : 35

 

Question:

  • a) 0.117 V
  • b) 0.00145 V
  • c) 0.0145 V
  • d) 1.7 × 10–6 V

Answer: 0.117 V

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: Ten identical cells connected in series are needed to heat a wire of length one meter and radius 'r' by 10ºC in time 't'. How many cells will be required to heat the wire of length two meter of the same radius by the same temperature in time 't'?

  • a) 20
  • b) 10
  • c) 30
  • d) 40

Answer: 20

 

Question: If voltage across a bulb rated 220 volt - 100 watt drops by 2.5% of its rated value, the percentage of the rated value by which the power would decrease is

  • a) 5%
  • b) 10%
  • c) 20%
  • d) 2.5%

Answer: 5%

 

Question: 

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 2 V
  • b) 4 V
  • c) 6 V
  • d) 12 V

Answer: 2 V

 

Question: A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

  • a) 0.001
  • b) 0.01
  • c) 0.05
  • d) 1

Answer: 0.001

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 10 volt
  • b) 8 volt
  • c) 4 volt
  • d) 2 volt

Answer: 10 volt

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) +1 V
  • b) –1 V
  • c) +2 V
  • d) –2 V

Answer: +1 V

 

More Questions......................

 

Question: A galvanometer of resistance, G is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: The mobility of charge carriers increases with

  • a) Increase in the average collision time
  • b) Increase in the electric field
  • c) Decrease in the charge of the mobile carriers
  • d) Increase in the mass of the charge carriers

Answer: Increase in the average collision time

 

Question: A 1250 W heater operates at 115 V. What is the resistance of the heating coil?

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 1.0 ohm
  • b) 0.5 ohm
  • c) 2.0 ohm
  • d) Zero

Answer: 1.0 ohm

 

Question: A wire of a certain material is stretched slowly by ten percent. It new resistance and specific resistance become respectively

  • a) 1.21 times, same
  • b) 1.1 times, 1.1 times
  • c) 1.2 times, 1.1 times
  • d) Both remain the same

Answer: 1.21 times, same

 

Question:

  • a) 3.2 volt 
  • b) 1.5 volt
  • c) 1.0 volt
  • d) 0.5 volt

Answer: 3.2 volt

 

Question: A wire 50 cm long and 1 mm2 in cross-section carries a current of 4 A when connected to a 2 V battery. The resistivity of the wire is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: Identify the set in which all the three materials are good conductors of electricity?

  • a) Cu, Ag and Au
  • b) Cu, Si and diamond
  • c) Cu, Ge and Hg
  • d) Cu, Hg and NaCl

Answer: Cu, Ag and Au

 

Question: A flow of 107 electrons per second in a conducting wire constitutes a current of

  • a) 1.6 × 10–12 A
  • b) 1.6 × 1026 A
  • c) 1.6 × 10–26 A
  • d) 1.6 × 1012 A

Answer: 1.6 × 10–12 A

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) At t = 0, / = 2 mA and with time it goes to 1 mA
  • b) I oscillates between 1 mA and 2 mA
  • c) I = 1 mA at all t
  • d) I = 2 mA at all t

Answer: At t = 0, / = 2 mA and with time it goes to 1 mA

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: Three copper wires have lengths and cross-sectional areas as (/, A), (2l, A/2) and (l/2, 2A). Resistance is minimum in

  • a) Wire of cross-sectional area 2A
  • b) Wire of cross-sectional area A
  • c) Wire of cross-sectional area 1/2 A
  • d) Same in all three cases

Answer: Wire of cross-sectional area 2A

 

Question:

  • a) 1 A
  • b)

  • c)

  • d)

Answer: 1 A

 

Question: 

  • a)  Charge
  • b) Energy
  • c) Angular momentum
  • d) Momentum

Answer:  Charge

 

Question:

  • a) CD
  • b) DE
  • c) AB
  • d) 0.5 A

Answer: CD

 

Question:

  • a) 2.0 A
  • b) 8.3 A
  • c) 6.8 A
  • d) 4.9 A

Answer: 2.0 A

 

MCQs for Physics JEE (Main) Full Syllabus Current Electricity

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Current Electricity MCQs Physics JEE (Main) Full Syllabus

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JEE (Main) MCQs Physics Full Syllabus Current Electricity

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