If the resistance, `R_1` is increased (Fig. EP. 14.25) how will the readings of the ammeter and voltmeter change?

Calculate the effective resistance between A and B Also find the reading of ammeter and voltmeter for part( c).

The current flowing through a conductor and the potential difference across it two ends are as per readings of the ammeter and voltmeter shown below. The resistance of the conductor would be

In Fig. EP 14.3, assuming the diodes to be ideal.

What is the resistance of an ideal voltmeter and an ammeter?