Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Consider the following statements.
1. Ohm's law is not applicable at very low and very high temperature.
2. Ohm's law is applicable to semiconductor.
3. Ohm's law is not applicable to electron tubes, discharge tubes and electrolytes.
4. Conductance is the reciprocal of resistance and ismeasured in siemens.
Which of the statements given above are correct?
Consider the following statements 1. Ohm’s law holds good when the temperature is changed. 2. Ohm’s law holds when the temperature of the conductor remains constant. 3. Ohm's law is an assumption that current through a conductor is directly proportional to the potential difference applied to it when temperature is constant. Which of the following statements is INCORRECT?
Nodal method of circuit analysis is based on a) KVL and Ohm’s law b) KVL, KCL and Ohm’s law c) KCL and KVL d) KCL and Ohm’s law Which of the following options is correct?
A 2-port network is driven by a source Vs = 100 V in series with 5 ohm, and terminated in a 25 ohm resistor. The impedance parameters are The Thevenin equivalent circuit presented to the 25 ohm resistor is
In the bridge shown, Z1 = 300 ohm, Z2 = 400 – j300 ohm, Z3 = 200 + j100 ohm. The Z4 at balance is
A generator develops 250 V and has an internal resistance of 100 ohm. If the load resistance is 100 ohm, then what is the efficiency of the generator ? 
In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across resistance.
What is the magnitude of gain of an Op-Amp if it’s negative feedback resistance is 20 ohm and its input resistance is 10 ohm (consider the input is in inverting terminal)?
What is the magnitude of gain of an Op-Amp if it’s negative feedback resistance is 30 ohm and its input resistance is 10 ohm (consider the input is in inverting terminal)?
What is the magnitude of gain of an Op-Amp if it’s feedback resistance is 30 ohm and its input resistance is 10 ohm (consider the input is in non-inverting terminal)?