write two uses of electric cell & resistance.
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Answer:
Electric Cell-
It is the source of voltage for many electrical devices.
Uses of cell-
1. Helps us to run electrical devices.
2. Enables us to check if device is working or not
Resistance-
The quantity which opposes the flow of current is called resistance.
Use of Resistance-
1. It is used to control a speed or functioning of any device.
Eg- By rheostat, we control speed of fan.
2. It helps to calculate the Voltage and current.
Eg. We ammeter has zero resistance where as voltmeter has infinite resistance.
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Answer:
electric cell use to power chemical reaction.
battery is the one or more cell
Resistance
its used to reduce the electric circuit
its used to divide voltage
Explanation:
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