The time variations of signals are given as in A,B and C. Point out the true statement from the following :-

Point out of the true statement.

Point out of the true statement.

Two identical spheres carrying charges -9 mu C and 5 mu C respectively are kept in contact and then separated from each other. Point out true statement from the following. In each sphere

Point out the WRONG statement from the following, in relation to enthalpy.

The real time variation of input signals A and B are as shown below. If the inputs are fed into NAND gate, then select the output signal from the following :-

The real time variation of input signals A and B are as shown below. If the inputs are fed into NAND gate, then select the output signal from the following :-

The real time variation of input signals A and B are as shown below. If the inputs are fed into NAND gate, then select the output signal from the following :-

The real time variation of input signals A & B are as shown below. If the inputs are into NAND gate, then select the output signals from the following-