Which of the following wiring diagrams could be used to experimentally determine `R` using ohm's law? Assume an ideal voltmeter and an ideal ammeter.

In the following circuit, determine the reading of ideal voltmeter (V) and ideal ammeter (A).

Express which of the following set ups can be used to verify ohm's law?

Express which of the following set ups can be used to verify ohm's law?

The value of current in the following diagram is (diode assumed to be ideal one) .

Which of the following circuits gives the correct value of resistance, when computed by using R = (V//I) where V and I are voltmeter and ammeter reading, respectively? The meters are not ideal.