Download App

Electrostatic Potential and Capacitance — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectrostatic Potential and Capacitance1 Mark
MCQ
Each capacitor in the circuit shown is a 1F capacitor. What would be the equivalent capacitance between A and B?

  • A
    0.5F
  • B
    F
  • C
    2F
  • D
    4F
✓

Answer

  1. F

Explanation:

Equivalent capacitance of each pair of capacitance in series$=\frac{1\times1}{1+1}\text{F}=0.5\text{F}$

The two series combination are connected in parallel. Hence the net capacitance becomes 0.5F + 0.5F = 1F

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q [1M]" from Electrostatic Potential and Capacitance→Electrostatic Potential and Capacitance — all question types→Physics STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Plane figures made of thin wires of resistance R = 50 milli ohm/metre are located in a uniform magnetic field perpendicular into the plane of the figures and which decrease at the rate dB/dt = 0.1 m T/s. Then currents in the inner and outer boundary are. (The inner radius a = 10 cm and outer radius b = 20 cm)

(a) 10– 4 A (Clockwise), 2 × 10– 4 A (Clockwise)

(b) 10– 4 A (Anticlockwise), 2 × 10– 4 A (Clockwise)

(c) 2 × 10– 4 A (clockwise), 10– 4 A (Anticlockwise)

(d) 2 × 10– 4 A (Anticlockwise), 10– 4 A (Anticlockwise)
→

The mutual characteristic curves of a triode are as shown in figure. The cut off voltage for the triode is

(a) 0 V

 (b) 2 V

 (c) – 4 V

 (d) 6 V
→

Magnetic dipole moment is a

(a) Scalar quantity

(b) Vector quantity

(c) Constant quantity

(d) None of these
→
A solenoid of inductance L carrying a certain current is linked with a total magnetic flux $\phi$. Now it is connected to a condenser with which it shares half of its initial energy. The total flux now linked with the solenoid is:
→
When a comb is rubbed with hair, it attracts paper bits. Choose the right explanation:
→
When is hydrogen stable?
→
The thinnest bubble film in air that can possibly strongly reflect red light because of constructive interference makes up a certain bubble. How could we create the thinnest bubble film that will strongly reflect purple light?
→
Brewster's law is :
→
In which region of the electromagnetic spectrum does the Paschen series of hydrogen spectrum lie ?
→

A resistance of 4  and a wire of length 5 metres and resistance 5  are joined in series and connected to a cell of e.m.f. 10 V and internal resistance 1. A parallel combination of two identical cells is balanced across 300 cm of the wire.  The e.m.f. E of each cell is

(a) 1.5 V 

(b) 3.0 V

(c) 0.67 V   

(d) 1.33 V
→