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प्रश्न
What would be the danger involved in replacing a blown fuse with the one which would carry a large current?
उत्तर
Replacing a fuse with another fuse of higher rating wou Id al low a large current to flow through the circuit or applia nee to which the fuse is connected and thus, there is a chance of short-circuiting and the appliance may get damaged.
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संबंधित प्रश्न
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.
(a) Which circuit would have the highest voltage across each bulb?
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.
(c) In which circuit, if one bulb blows out, all other will stop glowing?
Define the following:
Super conductors.
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.
Complete the following:
1 kWh = _________ J
State whether the following statement is True or False:
The SI unit of charge is the coulomb.
What is the speed of electric current?
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?
