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Q1. | Which chopper circuit operates in all the 4 quadrants? |

A. | A [Wrong Answer] |

B. | C [Wrong Answer] |

C. | D [Wrong Answer] |

D. | E [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ In a resistance strain gauge, G = 2, stress = 1050 kg/cm

^{2}, R = 1000 Ω. The value of ΔR will be

2 Ω

3 Ω

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⇒ Consider the following sets of values of E, R and C for the circuit in the given fig

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3 and 4

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⇒ Consider the real expression in Pascal language

`XZ and MP + K`

`XZ + Y and MP + K`

`(MP + K + X) / Y `

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⇒ A high resistance was measured by loss of charge method. The voltmeter resistance was 10

^{10}ohms. The calculation gave the value of unknown resistance as 0.8 x 10

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0.8 x 10

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less than 0.8 x 10

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more than 0.8 x 10

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⇒ Which of the following devices is used at the first stage of an electronic voltmeter?

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⇒ When the height of a vertical earthed antenna is less than λ/4

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the base input impedance will be inductive

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⇒ An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is

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