In the combination of parallel capacitors, the right plate of each capacitor is connected to the battery's

  • no terminal
  • both negative and positive terminals
  • negative terminal
  • positive terminal

Capacitors which uses chemical reactions to store charge are

  • paper capacitors
  • electrolytic capacitor
  • parallel plate capacitor
  • mica capacitor

The spacing between field lines shows their

  • direction
  • position
  • strength
  • none of above

The divergence of leaves depends upon the

  • current
  • the amount of charge
  • nature of leaves
  • nature of disc

If we bring charged plastic rod near-neutral aluminum rod, then rods will

  • repel each other
  • attract each other
  • remain their position
  • exchange charges

The electric charge between two bodies can be produced by

  • sticking
  • rubbing
  • oiling
  • passing AC current

The energy supplied by a unit charge as it moves from one point to the other in the direction of the field is called

  • potential difference
  • electric field industry
  • electric field
  • electric field intensity

If mica and woolen cloth are rubbed together, then mica gets

  • positively charged
  • negatively charged
  • remains neutral
  • dual charged

The charge stored on plates of capacitors is directly proportional to the

  • potential difference
  • electric field industry
  • electric field
  • electric field intensity

When a charge is released in an electric field, it moves from a point of potential

  • in straight line
  • none of others
  • higher to lower
  • lower to higher

To store, the charge a device is used called

  • electric box
  • capacitor
  • plug
  • adopter

The SI unit of charge is

  • Newton
  • coulomb
  • Pascal
  • omega

The field lines always emerge from

  • negative charge
  • positive charge
  • the central point of both charges
  • all of above

The direction of free test charge will be the direction of

  • electric intensity
  • coulomb's force
  • magnetic intensity
  • protons

The fundamental law of electric force between two stationary charged particles is established by

  • Newton
  • Ohm
  • Hooke
  • Coulomb

1 nano farad (1nF) is equal to

  • 1×10-9F
  • 1×10-12F
  • 1×10-6F
  • 1×10-10F

A fire or an explosion may occur due to excessive build-up of electric charges produced by

  • heat
  • friction
  • chemicals
  • work done

By using electroscope, if the body is negatively charged then due to electrostatic induction, then on the leaves there will be appear

  • both positive and negative charges
  • negative charge
  • positive charge
  • no charge

If one unit of charge given to the plates of a capacitor produces a potential difference of 1 volt between the plates of the capacitor then its capacitance would be

  • 1/2 farad
  • 1 farad
  • 2 farad
  • 3 farad

If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be

  • 0.5 V
  • 2 V
  • 5 V
  • 10 V

Each bolt of lightning contains about

  • 2500 J of energy
  • 3000 J of energy
  • 1500 J of energy
  • 1000 J of energy

The direction of electric field intensity in an electric field can be represented by drawing

  • points
  • images
  • circles
  • lines

If the capacitance of a parallel plate capacitor is 100µ F and the potential difference is 70µ F, the quantity of charge stored on each plate would be

  • 7 mC each
  • 70 mC each
  • 700 mC each
  • 0.7 mC each

The force acting on a unit positive charge placed at that point is termed as

  • electric field intensity
  • electric field industry
  • electric field
  • electric shock

3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in series combination with a battery of 5V, as 1µ F = 10-6F, the total capacitance should be

  • 2.8 µF
  • 1.5 µF
  • 2.3 µF
  • 1.96 µF

SI unit of electric potential is

  • C-1
  • J-1
  • JC-1
  • JC-4

Electric field intensity is a

  • base quantity
  • scaler quantity
  • non vector quantity
  • vector quantity

If 2 bodies are oppositely charged with 400µC and 200µC, the distance between them in the air is 0.5 m. The force between the bodies should be

  • 2880 N
  • 3000 N
  • 1850 N
  • 3250 N

A body in the gravitational field always tends to move from a point of potential energy

  • higher to lower
  • lower to higher
  • in straight line
  • not in straight line

1 picofarad (1pF) is equal to

  • 1×10-9F
  • 1×10-12F
  • 1×10-6F
  • 1×10-10F
0 h : 0 m : 1 s

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