Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Quiz Questions & Answers PDF Download - 51
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The Electrical circuits and electric currents Quiz Questions and Answers PDF (electrical circuits and electric currents Quiz PDF e-Book) download Ch. 6-51 to learn Grade 7 Science Course. Solve Conductors and Insulators MCQs PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers to study online schools courses. The Electrical Circuits and Electric Currents Quiz App Download: Free learning app for conductors and insulators, fuses and circuit breakers, uses of electromagnets, electric motors, electrolysis test prep for online elementary school.
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Electrical Circuits and Electric Currents Exam Questions and Answers PDF Download: Test 51
'Semiconductors' are used in
- dynamos
- generators
- electronics
- electrical appliances
When there is high current, the circuit breaker is switched off because of
- electromagnetic strength
- magnetic strength
- electric strength
- energy of voltage
When the current flows opposite way, the cone is pulled
- inwards
- forward
- backward
- outwards
The repulsion between magnetic field of coil and permanent magnet makes the coil
- halt
- cease
- rotate
- attract
The complete equipment of 'electrolysis' is known as
- electrolytic cell
- electrolytic circuit
- electrolytic current
- electrolytic process
Class 7 Science Mock Tests
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