A low resistance which can bypass a current is: _____________?

Related Mcqs:

1. Internal resistance is the resistance offered by________________?

   A. source of EMF B. conductor C. resistor D. capacitor...

2. The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is_____________?

   A. 18Ω B. 30Ω C. 24Ω D. 12Ω...

3. A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

   A. 2.0 mA B. 20 mA C. 200 mA D. 0.2 mA...

4. A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

   A. 4 volt B. 5 volt C. 2 volt D. 0.4 volt...

5. An inductive coil has a resistance of 100Ω. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45Ω. What is the inductance of the coil ?

   A. 10mH B. 12mH C. 16mH D. 20mH...

6. The phase angle between the voltage and the current in an AC circuit consisting of a resistance is______________?

   A. Zero B. 45° C. 90° D. 180°...

7. An alternating current is represented by the equation I = I∫sinπt which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?

   A. I = 2I∫Sin(πt/2) B. I = 2I∫Sin(2πt) C. I = 2ISinπt D. I = I∫sin(2πt)...

8. Specific resistance of a wire____________________?

   A. will depend on its length B. will depend on its radius C. will depend on the type of material of the wire D. will depend on none of the above...

9. Resistance of a conductor depends upon_________________?

   A. nature of conductor B. dimension of conductor C. physical state of the conductor D. all of above...

10. Resistance of a super conductor is ______________________?

    A. finite B. infinite C. zero D. changes with every conductor...