Advertisements
Advertisements
प्रश्न
Why does the connecting cord of an electric heater not glow hot while the heating element does?
उत्तर
It is so because the connecting cord has a very low resistance. So, it does not get enough heat to glow.
APPEARS IN
संबंधित प्रश्न
Why does the cord of an electric heater not glow while the heating element does?
An electric iron of resistance 20 Ω takes a current of 5 A. Calculate the heat developed in 30 s.
An electric fuse works on the:
(a) chemical effect of current
(b) magnetic effect of current
(c) lighting effect of current
(d) heating effect of current
An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?
Name the effect of the current responsible for the glow of the bulb in an electrical circuit.
An electric fuse is a wire made up of a material having ______ melting point.
A fuse is used in an electric circuit to stop high currents flowing through the circuit.
Define the following:
Electrolysis and electrolyte
1 kWh is equal to ______.
What is the heating effect of electric current?
