Advertisements
Advertisements
प्रश्न
Answer the following question.
What is the function of a galvanometer in a circuit?
Advertisements
उत्तर
The function of the galvanometer in the circuit is to detect or measure the small amount of current flowing in the circuit.
APPEARS IN
संबंधित प्रश्न
Which of the two is connected in series : ammeter or voltmeter?
What is an Ammeter? How is It Connected in a Circuit? Draw a Diagram to Illustrate Your Answer.
State the factors on which the strength of electric current flowing in a given conductor depends.
For a heater rated at 4 kW and 220 V, calculate:
(a) the current,
(b) the resistance of the heater,
(c) the energy consumed in 2 hours, and
(d) the cost if 1 kWh is priced at Rs 4.60.
Two resistors P and Q of the same material and length but of different thickness are connected in parallel to a battery. The cross- sectional area of P is twice that of Q. What is the ratio of
(a) The resistance of P to the resistance of Q?
(b) The current in P to the current in Q?
What is the purpose of fuse in an electrical circuit?
Electrical appliances have voltage and power ratings as listed below. Which
has the larger working resistance?
| Appliances | Voltage (V) | Power (W) |
| (a) Washing machine | 250 | 3000 |
| ( b) Television | 240 | 160 |
| (c)240 | 240 | 1500 |
| ( d) Hair curler | 250 | 20 |
| ( e) Car head lamp | 12 | 36 |
Water : pipe :: Electric current : ______.
A charge of 400C flows through a conductor for 13 minutes and 20 seconds. Find the magnitude of the current flowing through the conductor.
