You are given two circuits as shown in Fig. TBQ 14.15. Show that circuits (a) acts as (b) acts as AND gate.

You are given two circuits as shown in Fig. 14.46, which consist of NAND gates. Identify the logic operation carried out by the two circuits. :

In the circuit shown in Fig. EP 14.40, find the value of R_c .

The output of the given circuit in Fig. EP. 14.6.

Truth table for the given circuit (Fig. EP 14.8) is

Write the truth table for the circuit shown in Fig. EP 14.29. Name the gate that the circuit resembles.

An capacitor C, a variable resistor R and a bulb B are connected in series to the ac mains in circuits as shown in Fig. The bulb glows with some brightness. How will the glow of the bulb change if the resistance R is increased keeping the same capacitance.

A 0.5m long metal rod PQ completes the circuit as shown in the figure. The area of the circuit is perpendicular to the magnetic field of flux density 0.15 T. If the resistance of the total circuit is 3Omega calculate the force needed to move the rod in the direction as indicated with a constant speed of 2 ms^(-1)

An capacitor C, a variable resistor R and a bulb B are connected in series to the ac mains in circuits as shown in Fig. The bulb glows with some brightness. How will the glow of the bulb change if a dielectric slab is introduced between the plates of the capacitor, keeping resistance R to be the same.

Eight resistances each of 4 Omega are connected in the circuit as shown in fig. The equivalent resistance between A and B is:

A bridge circuit is shown in the figure. The equivalent resistance between points A and B is