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What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
Answer: Option 3 Let'
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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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Overmodulation (amplitude) occurs when signal amplitude is ___________ carrier amplitude?
Answer: Option 2 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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The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion and y = Displacement of the particle from mean position.)?
Answer: Option 2 Let'
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The periodic time of one oscillation for a simple pendulum is (where $$l$$ = Length of the pendulum.)?
Answer: Option 3 Let'
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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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The length of a simple pendulum which gives the same frequency as the compound pendulum, is?
Answer: Option 3 Let'
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The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is?
Answer: Option 2 Let'
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The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is?
Answer: Option 2 Let'
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