Advertisements
Advertisements
Question
Solution
An ammeter is a low resistance device; hence it is connected in series.
A voltmeter is a high resistance device; hence it is connected in parallel.
APPEARS IN
RELATED QUESTIONS
What does an electric circuit mean?
Draw a circuit diagram showing two lamps, one cell and a switch connected in series.
How can you change the brightness of the lamp?
The following appliances are to be used on 240 V supply. Calculate the current used by each and say which fuse, 2 amp, 5 amp or 13 amp should be incorporated with each, (i) A television rated at 150 W, (ii) An electric iron rated at 750 W, (iii) An immersion heater rated at 3000 W, (iv) A hair dryer rated at 500 W. How much will it cost to run the television set for 100 days for an average of 4 hours a day at 60 paise per unit?
Name the principle on which a transformer works.
State whether the following statement is True or False:
The SI unit of charge is the coulomb.
Conventionally, the direction of the current is taken as:
For current to flow, one needs art open circuit.
Calculate the current in a wire if a charge of 1500 coulomb flows through it in 5 minutes.
