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 (MCQ) PDF - 32

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Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 32

MCQ 156: Variable resistors can be used to

A) dim the light
B) change the color of light
C) change the position of light
D) change the properties of light

MCQ 157: If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the

A) resistance of appliance
B) length of wire of appliance
C) power of the appliance
D) mass of the appliance

MCQ 158: Metal ions move through the electrolyte to coat the object which is

A) nematode
B) posit rode
C) anode
D) cathode

MCQ 159: 'Electricity' can

A) facilitate us
B) make us lean
C) make us fat
D) relax us

MCQ 160: Besides heat and light, electricity is also used in

A) decaying
B) vaporizing
C) crushing
D) decomposing

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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)