- ARemains steady
- BDecreases
- CIncreases
- DEither (B) or (C)
Explanation:
As per Faradays law, EMF is always directly proportional to the rate of change of magnetic flux. Therefore, electromagnetic induction takes place whenever the magnetic flux passing through the object changes.
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In the graph given below. If the slope is 4.12
V-sec, then value of ‘h’ should be

|
(a) 6.6 |
(b) 6.6 |
(c) 9.1 |
(d) None of these |
Two electric lamps of 40 watt each are connected in parallel. The power consumed by the combination will be
|
(a) 20 watt |
(b) 60 watt
|
(c) 80 watt |
(d) 100 watt |
The potential drop across the 3W resistor is
|
(a) 1 V |
(b) 1.5 V |
(c) 2 V |
(d) 3 V |
In the above question, the power lost in the cable during transmission is
|
(a) 12.5 kW |
(b) 6.25 kW |
(c) 25 kW |
(d) 3.15 kW |