Download App

Electrostatic Potential and Capacitance — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectrostatic Potential and Capacitance1 Mark
MCQ
 Dielectrics are _____________?
  • A
    Conducting substances.
  • B
    Non-conducting substances.
  • C
    Semi-conducting substances.
  • D
    None of the option.
✓

Answer

  1. Non-conducting substances.

Explanation:

Dielectrics are non-conducting substances.

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 (1 Marks)" from Electrostatic Potential and Capacitance→Electrostatic Potential and Capacitance — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

The inductance of a coil is 60μH. A current in this coil increases from 1.0 A to 1.5 A in 0.1 second. The magnitude of the induced e.m.f. is

(a) 60  

(b) 300  

(c) 30  

(d) 3  
→
A diode, a resistor and a 50Hz AC source are connected in series. The number of current pulses per second through the resistor is:
→

The production of e.m.f. by maintaining a difference of temperature between the two junctions of two different metals is known as

(a) Joule effect

(b) Seebeck effect

(c) Peltier effect

(d) Thomson effect
→
Electron volt (ev) is the unit of:
→
Consider a light beam incident from air to a glass slab at Brewster's angle as shown in Fig. A polaroid is placed in the path of the emergent ray at point P and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid.

→

The work function of a metal is

(a) The energy for the electron to enter into the metal

(b) The energy for producing X-ray

(c) The energy for the electron to come out from metal surface

(d) None of these
→

Three bulbs of 40W, 60W and 100W are arranged in series with 220V. Which bulb has minimum resistance

(a) 40W

(b) 60W

(c) 100W

(d) Equal in all bulbs
→

The given figure represents a material which is

(a) Paramagnetic

(b) Diamagnetic

(c) Ferromagnetic

(d) None of these
→
Current in a circuit falls from 5 A to 0 A in 0.1 s . If an average emf of 2 Wr induced, the self-inductance of the circuit would be ___________ H.
→

An NPN-transistor circuit is arranged as shown in figure. It is

(a) A common base amplifier circuit

(b) A common emitter amplifier circuit

(c) A common collector amplifier circuit

(d) Neither of the above
→