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प्रश्न
Which part of an electrical appliance is earthed?
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उत्तर
Metal body of an electrical appliance is earthed.
संबंधित प्रश्न
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?
Why should the resistance of:
a voltmeter be very large?
One coulomb of charge flows through any cross-section of a conductor in 1 second. What is the current flowing through the conductor?
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
Calculate the effective resistance between the points A and B in the network shown below in Figure 8.45
Fill in the blank :
1 mA = ............................. A.
An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.
What are the effects of electric current?
