Class 7 Science MCQs - Chapter 5
Electric Circuits Trivia Questions & Answers PDF Download - 4
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Electric Circuits Test Questions and Answers PDF Download: MCQ 4
The SI unit for electric current is
- joule
- watt
- volt
- ampere
Luigi Galvani discovered the effect of electricity on the legs of
- lizard
- frog
- human
- horse
The source of energy involves
- electric cell
- battery
- switches
- both a and b
A circuit which connects an electric source to its components, one after another to form a single loop is
- series circuit
- parallel circuit
- open circuit
- close circuit
To control electric current in a circuit, there is used a
- resistor
- insulator
- conductor
- wire
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