1st PUC physics Series-9

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PUC Science 1st Year Physics Series-9 quiz

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Created on By wefru

1st PUC Physics Series 9

TEST YOUR KNOWLEDGE OF SCIENCE

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Q.81 Which of the following is considered as three-pin voltage regulator ICs?

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Q.82 Which type of IC voltage regulator there is a continuous variation in the impedance of transistor in order to supply the desired amount of load current?

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Q.83 Voltage regulators require

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Q.84 What type of regulators offer inherent short-circuit protection?

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Q.85 Voltage regulators keep a constant …………output voltage when the input or load varies within limits.

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Q.86 Switching regulators are series type regulators, which has ……….power dissipation and …………efficiency.

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Q.87  Which among the following performance parameter is called the change in line voltage within a specified range at a constant load current?

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Q.88 The output voltage of a regulated power supply is affected by which of the following factors

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Q.89 Series pass transistor always operates in the………. region in a linear IC voltage regulator

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Q.90 An alternator is an electromechanical ac generator.

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