Learn current electricity MCQs, grade 10 physics test 27 for online learning courses and test prep. Insulators multiple choice questions (MCQs), current electricity quiz questions and answers include physics worksheets for online physics 1 courses distance learning.

Physics multiple choice questions (MCQ): current can not flow through an insulator because they have with options free electrons, no free electrons, no free protons and free neutrons, insulators quiz for online jobs competitive tests preparation for teachers pre-employment screening. Free physics study guide to learn insulators quiz to attempt multiple choice questions based test.

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