Advertisements
Advertisements
प्रश्न
State whether true or false. If false, correct the statement.
Current can produce magnetic field.
पर्याय
True
False
Advertisements
उत्तर
Current can produce magnetic field- True
APPEARS IN
संबंधित प्रश्न
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 0.12 Ω. How much current would flow through the 12 Ω resistor?
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
Calculate the effective resistance between the points A and B in the network shown below in Figure 8.45

Calculate the amount of energy transferred by a 10 A electric current flowing through a resistor of 5 o for 15 minutes.
Find the effective resistance in the following circuit diagrams (Fig.):

What is the criteria for selecting a fuse wire?
What would be the danger involved in replacing a blown fuse with the one which would carry a large current?
If the potential differences between two parts of a thundercloud is 10s V,
what is the amount of energy given up during the passage of 20 coulombs?
(a)2x10-7J
(b)200J
(c)Sx106 j
(d)2x 109J
(e)2x 1010 J
Which part of an electrical appliance is earthed?
