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प्रश्न
Write symbol and state function of following component in an electric circuit : key
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उत्तर
Key symbol : 
; It is used to switch the current on or off in the circuit.
संबंधित प्रश्न
In the electric circuit shown in Figure, label the parts A, B, C, D, E, and F. State the function of each part. Show in the diagram the direction of flow of current.
When starter motor of a car is switched on for 0.8 s . a charge 24 C passes through the coil of the motor . Calculate the current in the coil .
State Ohm’s law.
State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
Name the physical quantity of which the unit is ohm
Name the physical quantitiy of which the unit is ampere
State SI unit of electric charge and define it.
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
Write SI unit of
Resistance.
