Class 7 Online Courses

Chapter 7: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 7

Electrical Circuits and Electric Currents Multiple Choice Questions PDF Download - 21

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Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 21

MCQ 101: Electroplating is used to coat less expensive metals with

A) gold
B) silver
C) platinum
D) valuable metals

MCQ 102: Semiconductors are also found in

A) light emitting diodes
B) liquid crystal displays
C) cathode ray tubes
D) cathode ray oscilloscopes

MCQ 103: Adding more bulbs to a circuit with one battery would

A) make them brighter
B) make them sharper
C) make them dimmer
D) make them colorless

MCQ 104: Nichrome (mixture of nickel and chromium) resists

A) less electricity than copper
B) less electricity than aluminum
C) more electricity than copper
D) more electricity than aluminum

MCQ 105: In parallel circuits, the voltage is

A) equal
B) unequal
C) more powerful
D) less powerful

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Electrical Circuits and Electric Currents App (Android & iOS)

Electrical Circuits and Electric Currents App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)