# Direct Current and Alternating Current MCQs Quiz Worksheet PDF Book Download

Direct current and alternating current MCQs, direct current and alternating current quiz answers for online high school courses. Current electricity multiple choice questions (MCQs), direct current and alternating current quiz questions and answers for online school degrees. Physics for class 10, ohmic and non ohmic conductors, electromotive force, kilowatt hour, direct current and alternating current test prep for high school teacher certification.

Learn physics MCQs: wire maintained at zero potential by connecting it to earth at power station itself is called, with choices earth/ground wire, livewire, neutral wire, and delta wire for online school degrees. Free physics student portal for online learning direct current and alternating current quiz questions, MCQs to find questions answers based online learning tests.

MCQ: Wire maintained at zero potential by connecting it to Earth at power station itself is called

1. Earth/ground wire
2. livewire
3. neutral wire
4. delta wire

C

MCQ: Current produced by AC generators is

1. alternative current
2. fixed current
3. negative current
4. direct current

A

MCQ: Time interval after which alternative current voltage or current repeats its value is called its

1. frequency
2. time period
3. amplitude
4. wavelength

B

MCQ: Positive and negative terminals of direct current have

1. no polarity
2. fixed polarity
3. variable polarity
4. always negative polarity

B

MCQ: Potential difference between live wire and neutral wire is

1. 180 V
2. 320 V
3. 250 V
4. 220 V

D