Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Fill in the folloing blank with suitable words:
A current is a flow of ............... .For this to happen there must be a ............... circuit.
Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:
(b) for lighting inside the rooms of the hotel?
If you were going to connect two light bulbs to one battery, would you use a series or a parallel arrangement? Why? Which arrangement takes more current form the batte
Which effect of current is utilised in an electric light bulb?
If a charge of 420 C flows through a conducting wire in 5 minutes what is the value of the current?
Tick(✓) the correct choice in the following:
The outer casing of an electric iron is generally connected to earth in order
to
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.
An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.