EASY
10th ICSE
IMPORTANT
Earn 100

Name the device used to (a) increase the voltage at the generating station (b) decrease the voltage at the substation for its supply.

Important Questions on Electrical Power and Household Circuits
EASY
10th ICSE
IMPORTANT
(a) Name the three connecting wires used in a household circuit
(b) Which of the two wires mentioned in part (a) are at the same potential?
(c) In which of the wire stated in part (a) the switch is connected?

EASY
10th ICSE
IMPORTANT
What is the pole fuse? Write down its current rating.

EASY
10th ICSE
IMPORTANT
State the function of each of the following in a house circuiting?
(a) meter (b) main fuse, and (c) main switch

EASY
10th ICSE
IMPORTANT
In what unit does the electric meter in a house measure the electrical energy consumed ? What is its value in S.I. unit ?

EASY
10th ICSE
IMPORTANT
Where is the main fuse in a house circuit connected?

HARD
10th ICSE
IMPORTANT
Draw a circuit diagram to expain the ring system of house wiring. State two advantage of it.

MEDIUM
10th ICSE
IMPORTANT
Draw a labelled diagram with necessary switch, regulator, etc. to connect a bulb and a fan with the mains. In what arrangement are they connected to the mains : series or parallel?

EASY
10th ICSE
IMPORTANT
How should the electric lamps be connected with the mains so that the switching on or off a lamp has no effect on other lamps?
