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Current Electricity Physics - Current Electricity

Rajasthan Board (RBSE) - STD 12 Science - Physics (Rajasthan - English Medium). 550 questions in this chapter.

Question types

Current Electricity question types

550 questions across 1 question group — pick any mix to generate a Physics paper with step-by-step answer keys.

550
Questions
1
Question groups
5
Question types
Sample Questions

Current Electricity questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (1 Marks)1 Mark
The V-i graph for a conductor makes an angle θ with V-axis. Here V denotes the voltage and i denotes current. The resistance of conductor is given by
  • A
    sin θ
  • B
    cos θ
  • C
    tan θ
  • ✓
    cot θ

Answer: D.

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Q 2M.C.Q (1 Marks)1 Mark
Assertion : A person touching a high power line gets stuck with the line.
Reason : The current carrying wires attract the man towards it.
  • A
     If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
     If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
     If assertion is true but reason is false.
  • ✓
     If the assertion and reason both are false.

Answer: D.

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Q 3M.C.Q (1 Marks)1 Mark
Assertion : A potentiometer of longer length is used for accurate measurement.
Reason : The potential gradient for a potentiometer of longer length with a given source of e.m.f. becomes small.
  • ✓
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: A.

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Q 4M.C.Q (1 Marks)1 Mark
Assertion : The resistance of super-conductor is zero.
Reason : The super-conductors are used for the transmission of electric power.
  • A
     If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • ✓
     If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
     If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: B.

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Q 5M.C.Q (1 Marks)1 Mark
Assertion : Electric field outside the conducting wire which carries a constant current is zero.
Reason : Net charge on conducting wire is zero.
  • ✓
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: A.

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