विद्युत मोटर में-
In an electric motor:
Collection of verified questions for Vidyut Dhara under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
In an electric motor:
Of two bulbs in a house, one glows brighter than the other. Which of the two has higher electrical resistance?
The temperature of the glowing filament of an incandescent electric bulb is generally:
In an electric bulb, the filament is made of:
Which of the following metals is used as a filament in electric light bulbs?
A device which converts chemical energy into electrical energy is called:
If a 60-watt bulb is used for 5 hours daily, how many units of electricity will be consumed in 30 days?
A dynamo converts:
Nickel-Cadmium (Ni-Cd) battery is used in:
A bulb is connected to a 220V generator. The current is 0.5A. The power of the bulb is:
In a house, two bulbs are installed. One glows brighter than the other. Which of the following statements is correct?
Consider the following statements regarding a motorcar battery: 1. Voltage is usually 12 volts. 2. Electrolyte used is hydrochloric acid. 3. Electrodes are lead and copper. 4. Capacity is expressed in ampere-hours. Which of the above statements are correct?
The total resistance of a circuit with two parallel resistors is 1.403 kilo-ohm. If one resistor has a value of 2.0 kilo-ohm, what is the value of the other resistor?
Turbines and dynamos convert which energy into electrical energy?
The function of a dynamo is:
When electrical energy is converted into motion:
A 100-watt bulb is kept switched on for 4 hours. The units of electrical energy consumed will be:
The electricity consumption bill is based on the measurement of: 1. Wattage 2. Voltage 3. Ohm 4. Ampere Choose your answer from the following codes:
If a 100-watt electric bulb glows for 10 hours, the electricity consumption will be:
A device based on electromagnetic induction is:
The device that converts electrical energy into mechanical energy is:
Electric motors often burn out when operated at low voltage because:
In a tunnel, five 100-watt bulbs are kept glowing continuously for 20 hours. Total electricity consumed will be: