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Why is ammeter reading negative?
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Why the reading of emf by a voltmeter is less than that by a potentiometer?

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Explain the following troubles and related remedies in an ultrasonic flow meter: (i) Meter does not show reading (ii) Meter shows less value of flow measured (iii) Meter shows a high value of flow measured.

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Write the expression of phase angle in terms of the reading of the 2 wattmeters in the two wattmeter method.

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Why does galvanometer have positive and negative terminals?

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Why Negative Feedback is preffered in the Control System?

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Why is bias voltage negative?
Answer : Bias voltage is often negative depending on the type of device or circuit being used, such as in certain semiconductor components (e.g., diodes, transistors) or amplifiers. The ... of electronic components, ensuring they operate within desired regions and provide predictable, stable performance....

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Why is the conventional direction of electric current from positive to negative?

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Why do we say current flows from positive to negative?

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Why does conventional current flow from positive to negative?

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Why galvanometer and ammeter are connected in series?

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What is the difference between positive and negative feedback?

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