# A field of force can exist only between?

7 views
A field of force can exist only between?

A field of force can exist only between two ions.

## Related questions

1 answer 15 views

Can the electric field between two positive charges be zero?

1 answer 32 views
1 answer 41 views

How can a magnetic field be used to generate an electric current?

1 answer 11 views

Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

1 answer 27 views

On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?

1 answer 28 views

On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

1 answer 35 views
0 answers 20 views

Give the relation between magnetic field strength, magnetic flux density and permeability.

1 answer 150 views

A single force and a couple acting in the same plane upon a rigid body?

1 answer 100 views

A force is completely defined when we specify?

1 answer 23 views

A force acting on a body may?

1 answer 14 views

Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

1 answer 14 views

Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative surface? A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

1 answer 115 views

Limiting force of friction is the?

1 answer 454 views

Frictional force encountered after commencement of motion is called?

1 answer 26 views

The product of either force of couple with the arm of the couple is called?

1 answer 18 views

The unit of force in S.I. units is

0 answers 18 views

What is the force that holds protons and neutrons together in the nucleus of an atom?

0 answers 26 views

What is the definition of electromagnetic force?

1 answer 15 views

Magnetomotive force formula

0 answers 22 views

What is locomotive force?

0 answers 21 views

Briefly describe the electric field of a static charge.

1 answer 27 views

In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as  (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator

1 answer 56 views

Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

1 answer 24 views
1 answer 17 views
1 answer 48 views
1 answer 7 views

Derive an expression for energy stored in a magnetic field .

1 answer 57 views

The electric field inside a hollow conducting sphere ________ A) Depends on the diameter of the sphere  B) Varies according to the direction of earth’s magnetic poles C) Is zero  D) None of these

1 answer 30 views
1 answer 34 views
1 answer 14 views

Energy stored in electrostatic field of capacitance formula

1 answer 24 views

The ability of materials to become polarized under an applied electric field is called _______ A) Ferroelectricity B) Paraelectricity C) Polectricity D) None of these

1 answer 16 views

Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these

1 answer 13 views
1 answer 20 views
1 answer 17 views

MOSFET uses the electric field of?

1 answer 22 views

If the field of synchronous motor is under excited, power factor will be?

1 answer 21 views

What is the direction of the induced electric field?

1 answer 27 views

What is the direction of the electric field?

1 answer 36 views

From which material field coils of DC generator are made of?

2 answers 23 views

Field control of DC motor

1 answer 8 views

Field intensity formula

1 answer 10 views

What arc the errors occurring in measuring devices due to stray magnetic field and temp '? Explain how to compensate them.

1 answer 88 views

Define junction field effect transistor (JFET) and give an example.

1 answer 16 views

Define magnetic field strength and state its unit.

1 answer 16 views

It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its .......... is held constant.

1 answer 32 views

An electric motor in which both stator field and rotor rotates with same speed is called?

1 answer 25 views

Is electric potential zero when electric field is zero?

0 answers 23 views

What do you mean by electromagnetic field?