In the following circuit the value of resistance R

The magnetic flux through a closed circuit is phi = 15t-t+5 Weber. If the resistance of the circuit is 10Omega , calculate the magnitude of the current induced in 0.2 sec.

In a common base amplifier circuit, calculate the change in base current if that in the emitter current is 2 mA and alpha = 0.98 .

For the network shown in the figure, the value of the current I is

Name the following diagrams and explain the concept behind them. Heat energy is being produced in a resistance in a circuit at the rate of 100 W. The current of 3 A is flowing in the circuit. What must be the value of the resistance?

A 5.0V stabilized power supply is required to be desinged using a 12V DC power supply as input source. The maximum power rating P_z of the Zener diode is 2.0 W. Using the Zener regulator circuit ,calculate The Zener current I_z at full load.

In a common-base connection, a certain transistor has an emitter's current of 10 mA and a collector's current of 9.8 mA. Calculate the value of the base current.

If the resistors 5Omega , 10Omega and 30Omega are connected in parallel to battery of 12 V, find the effective resistance in the circuit. Calculate the total current and current in each resistor.

Heat energy is being produced in a resistance in a cricuit at the rate of 100 W.The current of 3 A is flowing in the circuit.What must be the value of the resistance?

A 25 watt lamp is connected to a.c. potential of peak value 100 V. Calculate the r.m.s. value of the current.