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 - 19

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Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 19

MCQ 91: The resistors that have set resistance, are known as

A) fixed resistors
B) variable resistors
C) thermistors
D) fixators

MCQ 92: If temperature rises very high, it can be used in

A) electric lamps
B) electric heaters
C) electric coolers
D) electric fans

MCQ 93: The first thing on which the amount of consumed energy depends, is

A) amount of ions in a wire
B) amount of resistance
C) amount of electron's flow
D) length of time, the appliance has been used for

MCQ 94: An example in which light emitting diodes are used, is

A) calculator
B) hard drive
C) optical drive
D) analog watch

MCQ 95: Against resistance when electric current is forced through a conductor, electrons collide with the atoms of conductor which make them

A) hot
B) cold
C) vibrate
D) tremble

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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)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)