Class 7 Online Courses

Chapter 7: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 7

Electrical Circuits and Electric Currents Quiz Questions and Answers PDF - 51

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Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 51

MCQ 251: 'Semiconductors' are used in

A) dynamos
B) generators
C) electronics
D) electrical appliances

MCQ 252: When there is high current, the circuit breaker is switched off because of

A) electromagnetic strength
B) magnetic strength
C) electric strength
D) energy of voltage

MCQ 253: When the current flows opposite way, the cone is pulled

A) inwards
B) forward
C) backward
D) outwards

MCQ 254: The repulsion between magnetic field of coil and permanent magnet makes the coil

A) halt
B) cease
C) rotate
D) attract

MCQ 255: The complete equipment of 'electrolysis' is known as

A) electrolytic cell
B) electrolytic circuit
C) electrolytic current
D) electrolytic process

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Electrical Circuits and Electric Currents App (Android & iOS)

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7th Grade Science App (Android & iOS)

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6th Grade Science App (Android & iOS)

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Earth Science App (Android & iOS)