Class 7 Science MCQs - Chapter 7

Electrical Circuits and Electric Currents Quiz Questions and Answers PDF - 39

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The e-Book Electrical circuits and electric currents Quiz Questions and Answers, electrical circuits and electric currents Quiz Answers PDF download, test 39 to study free class 7 science online courses. Download Electric Motors MCQs PDF, electrical circuits and electric currents quiz questions and answers to study online courses. The Electrical Circuits and Electric Currents Quiz App Download: Free learning app for electric motors, electricity billing, conductors and insulators, uses of electromagnets test prep for online school and college.

The Quiz: In DC motor, the coil between two carbon rods or other contacts to which electric current is fed, is called; "Electrical Circuits and Electric Currents" App Download iOS & Android (Free) with answers brushes, springs, mutators and receptors to study online courses. Study electric motors quiz questions, download Amazon eBook (Free Sample) for online school courses.

Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 39

MCQ 191: In DC motor, the coil between two carbon rods or other contacts to which electric current is fed, is called

A) springs

B) brushes

C) mutators

D) receptors

MCQ 192: The coil sits between the north and the south pole of the

A) electromagnet

B) permanent magnet

C) temporary magnet

D) mechanical magnet

MCQ 193: Most of the electric appliances get energy from

A) cells

B) batteries

C) main supply

D) dynamos

MCQ 194: Air and water can conduct electricity only, when they contain

A) electrons

B) protons

C) ions

D) photons

MCQ 195: Magnetic effect is present in

A) track

B) train

C) track and train both

D) wires above the train

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Electrical Circuits and Electric Currents Quiz Questions and Answers PDF - 39

Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 39

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Electrical Circuits and Electric Currents MCQ Book Questions