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संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use
Wire crossing
Compare how an ammeter and a voltmeter are connected in a circuit.
An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring?
Which effect of current is utilised in an electric light bulb?
In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.
- A and B
- A and C
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. The resistance of each heater
A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The resistance of the bulb
Name any two devices, which are working on the heating effect of the electric current.
