What is the driving force in a working Electrical Circuit?
A
Voltage Difference
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B
Current
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C
Temperature difference
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D
Chemical Imbalance
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Solution
The correct option is A Voltage Difference When a potential difference is applied across a resistor then randomly moving free electrons start to move towards positive terminal due to force applied by electric field generated due to voltage difference . thus a start to Current Flows from High Voltage to Low Voltage.
Voltage is cause and current is effect.Hence correct option is A.