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Practice MCQs on current equation, physics MCQs for online test prep. Electric current, potential difference and resistance quiz has multiple choice questions (MCQ), current equation quiz questions and answers as rate of flow of electric charge is, answer key with choices as electric current, conventional current only, electronic current only and potential difference for competitive exam prep. Free study guide is to learn current equation quiz online with MCQs to practice test questions with answers.

MCQ. Rate of flow of electric charge is

1. electric current
2. conventional current only
3. electronic current only
4. potential difference

A

MCQ. If a current of 1 A passes through a point in 1 s then charge passes that point is

1. 2 C
2. 3 C
3. 1 C
4. 6 C

C

MCQ. Current in a circuit when a charge of 180 C passes a point in a circuit in 2 minutes is

1. 1:00 AM
2. 2:00 AM
3. 3:00 AM
4. 1.5 A

D

MCQ. Electrons which are free to move around are also called

1. conduction electrons
2. valence shell electrons
3. inner electrons
4. electron sea

A

MCQ. Number density for copper is

1. 10-29 m-3
2. 1030 m-3
3. 1029 m-3
4. 1020 m-3

C

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