Advertisements
Advertisements
प्रश्न
A 3 pin mains plug is fitted to the lead for a 1 kW electric kettle to be used on a 250 V A.C. supply. Which of the following statements is NOT correct?
(a) A 13 A fuse is the most appropriate value to use.
(b) The brown wire should be connected to the live side of the mains.
उत्तर
Incorrect statement:
(a) A 13A fuse is the most appropriate value to use
APPEARS IN
संबंधित प्रश्न
By what name is the physical quantity coulomb/second called?
If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
A switch must be connected in:
(a) Live wire (b) neutral wire
(c) earth wire (d) either earth or neutral wire
Distinguish between an open and a closed circuit.
Complete the following sentence:
A fuse is a short piece of wire of high ......... and low
State expression for Cells connected in series.
The power of an electric device is a product of ______ and ______.
Match the items in column-I to the items in column-II:
Column - I | Column - II |
(i) electric current | (a) volt |
(ii) potential difference | (b) ohm meter |
(iii) specific resistance | (c) watt |
(iv) Electrical power | (d) joule |
(v) electrical energy | (e) ampere |