   Chapter 17, Problem 3CQ

Chapter
Section
Textbook Problem

Choose the words that make each statement correct. (i) To properly measure current through a device, the [(a) ammeter; (b) voltmeter] must be connected [(c) in series with; (d) in parallel with] the device, (ii) To properly measure the voltage across a device, the [(e) ammeter; (f) voltmeter] must be connected [(g) in series with; (h) in parallel with] the device.

(i)

To determine
The device used to measure the current and whether the device used to measure the current through the device is connected in series or parallel with the device.

Explanation

Ammeter is the device used to measure the current in a circuit. Thus, option (a) is correct.

Voltmeter is the device used to measure the voltage across the circuit. Thus, option (b) is incorrect.

Ammeter should be connected in series with the circuit. Ammeter measures the rate of flow of charges through the device. When the ammeter is connected in series with the device, the current passes through the ammeter is same as that passes through the device...

(ii)

To determine
The device used to measure the voltage across the device and whether the device used to measure the voltage across the device is connected in series or parallel with the device.

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