- Increases
- Decreases
- Remains the same
- Doubles
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Energy stored by a coil is doubled when its current is increased by percent.?
Answer: Option 3 Let'
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A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current?
Answer: Option 1 Let'
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When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field?
Answer: Option 1 Let'
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In an LC circuit, when the capacitor is maximum, the inductor energy is ___________?
Answer: Option 1 Let'
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The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.?
Answer: Option 4 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statements : Wind is an inexhaustible source of energy and an aerogenerator can convert it into electricity. Though not much has been done in this field, the survey shows that there is vast potential for developing wind as alternative source of energy. Conclusions : I. Energy by wind is comparatively newly emerging field. II. The energy crisis can be dealt by exploring more in the field of aero-generation.?
Answer: Option 5 The phrase 'not much has been done in this field' indicates that wind energy is a comparatively newly emerging field. So, I follows. The expression 'there is...
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should India make efforts to harness solar energy to fulfil its energy requirements Arguments : I. Yes, Most of the energy sources used at present is exhaustible. II. No. Harnessing solar energy requires a lot of capital, which India lacks in.?
Answer: Option 1 Clearly, harnessing solar energy will be helpful as it is an inexhaustible resource unlike other resources. So, argument I holds. But argument II is vague as solar...
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Which of the fpllowing inductor will have the least eddy current losses ?
Answer: Option 1 Let'
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Which of the following circuit element stores energy in the electromagnetic field?
Answer: Option 1 Let'
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Which of the following inductor will have the least eddy current losses?
Answer: Option 1 Let'
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