In the following circuit a key is closed at a time t=0, then what will be the current through the battery at that time?
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Hence the current will be maximum and the voltage will be 0 in case of a short circuit when the resistance almost goes down to zero.
Explanation:
yes you can have a current flowing through it if you apply a voltage from outside. an ideal current supply short circuited will push a current with zero voltage as well.
the SI unit of current is the ampere, which is the flow of electric charge across a surface at the rate of one coulomb per second. electric current is measured using a device called an ammeter.
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