Circuit which gives continuously varying potential is called _______________________?

Related Mcqs:

1. 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

2. When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?

   A. Same
   B. Different
   C. At L will be more than at C
   D. At L will be less than at C

3. If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?

   A. Twice
   B. One half
   C. Four times
   D. None

4. An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is______________?

   A. 1Ω
   B. 5Ω
   C. 7Ω
   D. 7Ω

5. Geothermal energy is a _______________________ source of energy?

   A. non-renewable
   B. stable
   C. renewable
   D. none of the above

6. In the following figure, the terminal potential is ___________________ ?

   A. zero
   B. 2V
   C. 12V
   D. 36V

7. Why should a resistance be introduced in a circuit in series deliberately ?

   A. to increase current
   B. to decrease current
   C. to control current
   D. just to give a good look to circuit

8. A fuse is placed in series with the circuit to protect against__________________?

   A. high power
   B. high voltage
   C. high current
   D. over heating

9. A convex lens gives a virtual image only when the objects lies_________________?

   A. between principal focus and center of curvature
   B. beyond 2 f
   C. at the principal focus
   D. between principal focus and optical center

10. If the velocity-time graph gives a parabolic curve then body posses______?

    A. Variable acceleration
    B. Constant acceleration
    C. Zero acceleration
    D. All of these

    Submitted by: Zahid Jagirani