Electronic Devices

The circuit has two oppositely connected ideal diodes in parallel as shown in the figure．What is the current flowing in the circuit？

The I-V characteristics graph shown below is exhibited by

The inputs to a digital circuit are as shown below. The output Y is

For Boolean variables $A$ and $B, A \oplus B=A \bar{B}+\bar{A} B$ ．Then，which of the following statements is / are correct？

Which logic gate is represented by the following combinations of logic gates?

Manufacturers supply a zener diode with zener voltage $\mathrm{V}_{\mathrm{z}}=5.6 \mathrm{~V}$ and maximum power dissipation $P_{\mathrm{z}, \max }=\frac{1}{4} \mathrm{~W}$. This zener diode is used in the following circuit. Calculate the ...

A diode is connected in parallel with a resistance as shown in Figure. The most probable current (I) - voltage (V) characteristic is

A \(2 \mathrm{~V}\) cell is connected across the points \(\mathrm{A}\) and \(\mathrm{B}\) as shown in the figure. Assume that the resistance of each diode is zero in forward bias and infinity in reverse bias. The current supplied by the cel...

In the given network of AND and OR gates, output Q can be written as (assuming n even)

Consider the logic circuit with inputs A, B, C and output Y. How many combinations of A, B and C gives the output Y = 0 ?

In the given circuit, find the voltage drop \(\mathrm{V_L}\) in the load resistance \(\mathrm{R_L}\).

The expression \(\overline A (A + B) + (B + AA)(A + \overline B )\) simplifies to

A Zener diode having break down voltage Vz = 6V is used in a voltage regulator circuit as shown in the figure. The minimum current required to pass through the Zener to act as a voltage regulator is 10 mA and maximum allowed current through...

For the given logic circuit, the output Y for inputs (A = 0, B = 1) and (A = 0, B = 0) respectively are

What is the value of current through the diode in the circuit given?

A common emitter transistor amplifier is connected with a load resistance of 6 k\(\Omega\)
. When a small AC signal of 15 mV is added to the base-emitter voltage, the alternating base current is 20\(\mu\)A and the alternating collector cu...

In the circuit shown, the value of \(\beta\) of the transistor is 48. If the supplied base current is 200 \(\mu\)A, what is the voltage at the terminal Y?

In the circuit shown, what will be the current through the 6V zener?

Each of the two inputs A and B can assume values either 0 or 1. Then which of the following will be equal to \(\overline {A\,}\) . \(\overline {B\,}\)?

In the circuit shown, inputs A and B are in states 1 and 0 respectively. What is the only possible stable state of the outputs X and Y?

What will be the current flowing through the 6k\(\Omega\) resistor in the circuit shown, where the breakdown voltage of the Zener is 6V?

When a semiconducting device is connected in series with a battery and a resistance, a current is found to flow in the circuit. If however, the polarity of the battery is reversed, practically no current flows in the circuit. The device may...

In the given circuit, the binary inputs at A and B are both 1 in one case and both 0 in the next case. The respective outputs at Y in these two cases will be

In case of a bipolar transistor \(\beta\) = 45. The potential drop across the collector resistance of 1 k\(\Omega\) is 5V. The base current is approximately

A Zener diode having break-down voltage 5.6 V is connected in reverse bias with a battery of emf 10 V and a resistance of 100 \(\Omega\) in series. The current flowing through the Zener diode is

The binary number 10111 is equivalent to the decimal number

A Si and a Ge diode has identical physical dimensions. The band gap in Si is larger than that in Ge. An identical reverse bias is applied across the diodes