In the given circuit a silicon diode with knee voltage 0.7V is forward biased with a battery of e.m.f 8V. The current in the circuit is 40 mA. Find the power drop at resistor R and diode.

In the given circuit, the voltage across the load is maintained at 12 V. The current in the zener diode varies from 0.51 mA. What is the maximum wattage of the diode?

In the cirucit given below the knee voltage for both the diodes is 0.5 v the current shupplied by the battery is

In the given circuit the voltage drop across the diode is 0.8 V, if the diode can withstand current upto maximum of 30 mA, then find the maximum voltage of the battery

In the given circuit the voltage drop across the diode is 0.8 V, if the diode can withstand current upto maximum of 30 mA, then find the maximum voltage of the battery

In the given circuit both diodes are ideal having zero forward resistance and built-in potential of 0.7 V. Find the potential of point E in volts.

A silicon p-n junction diode whose knee voltage is 0.7 V is connected to a battery with supply voltage 3V and 100mA in forward biasing. If a resistor R is used in series of the circuit, then a current of 20mA passes through the diode. Find the wattage of the resistor and of the diode.

Draw the circuit to forward bias a diode. (The supply is 3V and 100mA battery). If the diode is made of silicon and knee voltage is 0.7V , and a current of 20mA passes through the diode, find the wattge of the resistor and the diode.