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.
Advertisements
उत्तर
Incorrect statement:
(a) A 13A fuse is the most appropriate value to use
APPEARS IN
संबंधित प्रश्न
Which particles constitute the electric current in a metallic conductor?
Compare how an ammeter and a voltmeter are connected in a circuit.
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(d) Which circuit would have less current in it?
Draw a circuit diagram showing two lamps, one cell and a switch connected in series.
How can you change the brightness of the lamp?
Consider the circuit given below when A, B and C are three identical light bulbs of constant resistance. 
(a) List the bulbs in order of increasing brightness.
(b) If C burns out, what will be the brightness of A now compared with before?
(c) If B burns out instead, what will be the brightness of A and C compared with before?
State the relation between work, charge and potential difference for an electric circuit.
Tick (✓) the correct choice among the following :
There are 500 turns and 2000 turns in the primary and secondary coil of a
transformer respectively. If th e output voltage is 1000 V, how large is the
input voltage?
State whether true or false. If false, correct the statement.
Current can produce magnetic field.
What does the direction of current convey?
