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प्रश्न
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उत्तर
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संबंधित प्रश्न
Which of the following units could be used to measure electric charge?
(a) ampere
(b) joule
(c) volt
(d) coulomb
Why should the resistance of:
an ammeter be very small?
If the lamps are both the same in the figure given below and if A1 reads 0.50 A, what do A2, A3, A4 and A5 read?
What happens to the other bulbs in a parallel circuit if one bulb blows off?
If the current passing through a conductor is doubled, what will be the change in heat produced
A bulb marked 12 V, 24 W operates on a 12 volt car battery for 20 minutes. Calculate:
(i) The current flowing through it, and
(ii) The energy liberated.
Tick(✓) the correct choice in the following:
When the length of a conductor is doubled the resistance of the conductor
will
Tick(✓) the correct choice in the following:
The outer casing of an electric iron is generally connected to earth in order
to
An electric oven is rated as 1.5 kW, 250 V. If it is connected to a 250 V mains, calculate the
(a) Current drawn,
(b) Energy consumed in 20 hours,
(c) Cost of energy consumed in 20 hours at the rate of Re. 1 per unit.
