Problem based on Resistance -02

In the circuit shown in figure, when the input voltage of the base resistance is 10 V, V_(be) is zero and V_(ce) is also zero. Then

In the circuit shown in figure when the input voltage of the base resistance is 10 V . Find the values of I_b , I_c and beta .

For a common emitter transistor amplifier, the audio signal voltage across the collector resistance of 2 kOmega is 2 V. Suppose the current amplification factor of the transistor is 100, the base current if base resistance is 1 k Omega is

Two cells of emfs 1.5 V and 2.0v having internal resistance 0.2 Sigma and 0.3 Sigma respectively are connected in parallel . Calculate the emf and internal resistance of the equivalent cell .

In the circuit shown in figure, the current is to measured. What is the value of the current if the ammeter shown (i) is a galvanometer with a resistance R_G=60*00Omega . (ii) is a galvanometer described in (i) but converted to an ammeter by a shunt resistance r_s=0*02Omega , (iii) is an ideal ammeter with zero resistance?

A moving coil galvanometer has 50 turns and each turn has an area 210 . The magnetic field produced by the magnet inside the galvanometer is 0.02 . The torsional constant of the suspension wire is 10 . When a current flows through the galvanometer, a full scale deflection occurs if the coil rotates by 0.2 . The resistance of the coil of the galvanometer is 50 . This galvanometer is to be converted into an ammeter capable of measuring current in the range 01.0 . For this purpose, a shunt resistance is to be added in parallel to the galvanometer. The value of this shunt resistance, in , is __________.

In a common emitter transistor transistor amplifier, the audio signal voltage across the collector is 3V. The resistance of collector is 3kΩ . If current gain is 100 and the base resistance is 2kOmega , the voltage and power gain of the amplifier are

In a common emitter transistor amplifier the audio signal voltage across the collector is 3 V . The resistance of collector is 3 kOmega . If current gain is 100 and the base resistance is 2 kOmega , the voltage and power gain of the amlifier is :

In a common emitter transistor transistor amplifier, the audio signal voltage across the collector is 3 volt. The resistance of collector is 3kOmega . If current gain is 100 and the base resistance is 2kOmega , the voltage and power gain of the amplifier are

Solve problem 15 if the length of rod is 2L and resistance 2r and it is rotating about its center. Both ends of the rod now touch the conducting ring.