The electric field lines due to a single negative charge.
a. ,  b. 
c.       d. 
are represented by which one of the following figures?

Which of the following information do the electric field lines provide?

1. Strength of the field
2. Nature of the charge
3. The direction of the field
4. All the above

The electric field strength at a point depends upon:

1. Electric force
2. Charge
3. Distance from the charge
4. All the above

Which of these is false about the electric field lines?

1. The electric field lines originate from a positive charge and end in a negative charge.
2. Two electric field lines never intersect each other.
3. Electric field lines form closed loops.
4. For a single charge, the electric field lines end at infinity.

A test charge may be of any magnitude.

1. True
2. False

Which of the following information is provided by the electric field lines?

1. The strength of the electric field in a region
2. The direction of electric force at a point
3. Both a and b
4. Neither a nor b

For a negative charge, the field line move _____ the charge.

1. Away
2. Around
3. Towards
4. Very close to

The direction of force and the direction of electric field strength is always opposite.

1. True
2. False

The field line moves towards the positive charge.

1. True
2. False

A test charge is always taken ________ and ____________.

1. Small, positive
2. Large, positive
3. Small, negative
4. Large, negative

The field lines do not _____ with each other.

The ________ at a point on the field lines gives the direction of the electric field.

1. Tangent
2. Normal
3. Zero
4. Reflex

The electric field lines are __________ lines.

1. Real
2. Imaginary
3. Uniform
4. Perpendicular

Find the direction of force acting on the small positive test q_o due to a positively charged sphere of charge Q shown in the given figure:

1. Towards right 
2. Towards left 
3. Towards upside 
4. Towards down 

If we increase the mass of the two charges the electric force __________.

1. Increases
2. Decreases
3. Remains the same
4. Becomes zero

The electric field at a point is defined as:

1. The electric force per unit charge experienced by a unit charge at that point.
2. The electric force experienced by two charges at that point.
3. The electric force per unit charge experienced by a unit charge at that point.
4. The electric force experienced by a charge at that point.