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संबंधित प्रश्न
What does an electric circuit mean?
Draw the electrical symbols of the following components and state its use:
Rheostat (variable resistance)
<p> Define the unit of electric current (or Define ampere).
Three resistors are connected as shown in the diagram.
Through the resistor 5 ohm, a current of 1 ampere is flowing.
(i) What is the current through the other two resistors?
(ii) What is the p.d. across AB and across AC?
(iii) What is the total resistance
If a fuse contains a 5 A fuse wire and the voltage is 240 V, what is the maximum power (wattage) which may be taken from the circuit?
State the condition when it is advantageous to connect cells in parallel.
Name any two devices, which are working on the heating effect of the electric current.
What is the SI unit for the current?