Exercise :: Exam Questions Papers - Exam Paper 1
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41. | For a = - 1, find the value of V2 |
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Answer: Option B Explanation: V1 = i1R1 + i2R2 i1 + ai1 = i2 V2 = i2R2
Putting a = - 1
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42. | A unity-feedback control system has the open loop transfer function |
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Answer: Option C Explanation:
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43. | For a given voltage, four heating coils will produce maximum heat when connected |
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Answer: Option A Explanation:
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44. | Denominator polynomial of a transfer function of certain network is: |
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Answer: Option C Explanation: Routh array
There is negative number present in first column. Thus network is unstable. |
45. | A TV picture is to be transmitted over a channel of 6 MHz bandwidth at a 35 dB S/N ratio. The capacity of the channel is |
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Answer: Option D Explanation: W = B = Bandwidth C = 6 x 106 x 12 = 72 Mbps. |