Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Trivia Questions & Answers PDF Download - 32
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Electrical Circuits and Electric Currents Test Questions and Answers PDF Download: MCQ 32
Variable resistors can be used to
- dim the light
- change the color of light
- change the position of light
- change the properties of light
If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the
- resistance of appliance
- length of wire of appliance
- power of the appliance
- mass of the appliance
Metal ions move through the electrolyte to coat the object which is
- nematode
- posit rode
- anode
- cathode
'Electricity' can
- facilitate us
- make us lean
- make us fat
- relax us
Besides heat and light, electricity is also used in
- decaying
- vaporizing
- crushing
- decomposing
Class 7 Science Mock Tests
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