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प्रश्न
What is the function of a key in an electric current?
एक पंक्ति में उत्तर
उत्तर
A key is used to put the current on and off in the circuit.
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Direction of the Electric Current - Conventional and Electronic Flow
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संबंधित प्रश्न
Distinguish between D.C. and A.C.
Draw a neat and labelled diagram of a simple voltaic cell showing clearly the direction of flow of conventional current and direction of flow of electrons.
0.7 C charges passes through a cross-section of a conductor in 7 s. Find the current.
Name the physical quantity which defines the rate of flow of charge.
Which is bigger: a milliampere or a microampere?
Name the instrument used to measure the magnitude of the current flowing in the circuit.
A current of 4.5 A flows through a conductor for 2.5 s. What amount of charge passes through the conductor?
The direction of conventional current is ______ to electron flow.
State whether true or false. If false, correct the statement.
The anode in electrolyte is negative.
Problems for practice:
If 50 coulomb of electric charge flows through a wire in five minutes, calculate the current in the wire?
