Advertisements
Advertisements
प्रश्न
Tick(✓) the correct choice in the following:
Which of the following quantities has the same value for all electrical
appliances connected to the ring main circuit in a house?
पर्याय
Power
Voltage
Resistance
Current
Energy
उत्तर
Voltage
APPEARS IN
संबंधित प्रश्न
What is the current in a circuit if the charge passing each point is 20 C in 40 s?
Three resistors are connected as shown in the diagram.
Through the resistor 5 ohm, a current of 1 ampere is flowing.
(i) What is the current through the other two resistors?
(ii) What is the p.d. across AB and across AC?
(iii) What is the total resistance
Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω
A charge of 80 C flows in a conductor for 2 minutes.
(a) Calculate the current flowing through the conductor.
(b) If the current through a heater is 4 A what charge must be passing in 8 seconds?
Tick (✓) the correct choice among the following :
In fig .XY is at right angles to the magnetic field. The direction in
which XY should be moved to induce an electron flow in the direction Y to X as indicated by the arrow is
A bulb of 40 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.
An electric bulb is rated 250 W, 230 V.
- the energy consumed in one hour, and
- the time in which the bulb will consume 1.0 kWh energy when connected to 230 V mains.
What determines the direction of flow of electrons between two charged conductors kept in contact?
An electric bulb is marked 100 W, 250 V. How much current will the bulb draw if connected to a 250 V supply?
Unit of electric power may also be expressed as
