Current Electricity Multiple Choice Questions and Answers 27 PDF Download

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MCQ on Current Electricity Worksheets 27 Quiz PDF Download

MCQ: Current can not flow through an insulator because they have

  1. no free electrons
  2. free electrons
  3. no free protons
  4. free neutrons

A

MCQ: If charge Q is passing through any area in time t, then current I flowing through will be

  1. I = Q/t
  2. I = t/Q
  3. I = Q + t
  4. I = Q×t

A

MCQ: When a circuit with a very low resistance is formed, there can be occurred a

  1. potential difference
  2. short circuit
  3. flow of light
  4. flow of heat

B

MCQ: Materials that obey Ohm's law and hence have a constant resistance over a wide range of voltages are called

  1. ohmic
  2. non-ohmic
  3. batteries
  4. capacitors

A

MCQ: If a copper wire is 2 m long and its diameter is 2 mm, then its resistance should be

  1. 2 × 10-2
  2. 0.58 × 10-2
  3. 3.54 × 10-2
  4. 1.07 × 10-2

D