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What does a DC voltmeter measure when co...

What does a DC voltmeter measure when connected across a load resistor in an ac circuit?

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Zero (voltage) reading.
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Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure potential difference across the 12 Omega resistor. What would be the readings in the ammeter and the voltmeter?

Two resistors 10Omega and 25Omega are connected in series and the combination is connected across a 25 V source of negligible internal resistance. A voltmeter of resistance 25Omega is connected across the 10Omega resistor. Find the reading in the voltmeter. If another voltmeter of a very large resistance replaces the voltmeter, then find the reading of voltmeter.

What does an ac voltmeter or an ac ammeter in an ac circuit measure?

Why is a voltmeter connected in parallel across a circuit element?

SUBHASH PUBLICATION-ALTERNATING CURRENT -NUMERICALS WITH SOLUTIONS
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  5. If a coil is to have a reactance of 16Omega for a frequency 2 kHz, the...

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  6. A pair of adjacent coils have a mutual inductance of 0.25 H. If the cu...

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  9. A sinusoidal current is represented by the equation I=2sin100pit. Calc...

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  11. An A.C. Source of 250 V, 50 Hz is connected to a circuit consisting of...

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  12. A coil of resistance 100Omega, an inductor of 0.5 H and a capacitor of...

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  13. In the circuit as show in fgure, find the impedance of the circuit. Wh...

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  14. A 100Omega resistor is connected to a 220 V, 50 Hz ac supply What is...

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  15. A 100Omega resistor is connected to a 220 V, 50 Hz ac supply What is...

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  16. A 44 mH inductor is connected to a 220 V, 50Hz ac supply. Determine th...

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  17. A 60muF capacitor is connected to a 110V, 60Hz, ac supply. Determine t...

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  18. Obtain the resonant frequency omega(r) of a series LCR circuit with L ...

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  19. A charged 30muF capacitor is connected in series to a 27mH inductor. W...

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  20. A series LCR circuit with R=20Omega,L=1.5H,andC=35muF is connected to ...

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