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प्रश्न
Name any two devices, which are working on the heating effect of the electric current.
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उत्तर
- Electric heater
- Fuse wire
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संबंधित प्रश्न
Define the unit of current.
The circuit diagram given below shows the combination of three resistors R1, R2 and R3:
Find :
(i) total resistance of the circuit.
(ii) total current flowing in the circuit.
(iii) the potential difference across R1.
60 joules of heat was dissipated in a resistor when 20 C flowed for 5 s. Calculate:
(a) P.d. across the resistor,
(b) Resistance of the resistor, and
(c) Average power dissipated in the resistor.
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. Calculate :
The total current taken from the supply
Coulomb is the SI unit of ____________.
What is the rate at which charges flow past a point on a circuit?
Electrons in a conductor move from:
In electrolytes, the ions carrying charge move toward:
In a vacuum, the particles that can act as charge carriers are:
