The relationship between potential difference (V) and current (I) is given by Ohm's Law. Ohm's Law states that: \[ V = IR \] where:
V = Potential Difference (Volts)
I = Current (Amperes)
R = Resistance (Ohms)
This law was formulated by the German physicist Georg Simon Ohm.
The correct option is (D): Ohm
In the figure shown below, a resistance of 150.4 $ \Omega $ is connected in series to an ammeter A of resistance 240 $ \Omega $. A shunt resistance of 10 $ \Omega $ is connected in parallel with the ammeter. The reading of the ammeter is ______ mA.

Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): In an insulated container, a gas is adiabatically shrunk to half of its initial volume. The temperature of the gas decreases.
Reason (R): Free expansion of an ideal gas is an irreversible and an adiabatic process.
In the light of the above statements, choose the correct answer from the options given below:

For the circuit shown above, the equivalent gate is: