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प्रश्न
Complete the following:
1 kWh = _________ J
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उत्तर
1 kWh = 3.6 x 106 J
संबंधित प्रश्न
<p> Define the unit of electric current (or Define ampere).
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.
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(d) Which circuit would have less current in it?
How does the heat H produced by a current passing through a fixed resistance wire depend on magnitude of current I?
Draw a schematic diagram of an electric circuit consisting of a battery of two cells each of 1.5 V, 5 Ω, 10 Ω and 15 Ω resistors and a plug key, all connected in series.
The circuit diagram (Fig.) shows a battery of e.m.f. 6 volts and internal
resistance of 0.8 Ω oonnected in series. Find the
(a) Current reoorded by the ammeter,
(b) P.d. across the terminals of the resistor B,
( c) Current passing through each of the resistors B, C and D, and
( d) P.d. across the terminals of the battery.
Name any two devices, which are working on the heating effect of the electric current.
