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The process of charging a neutral object by bringing a charged object near it, without direct contact, is called:

Friction.

Conduction.

Induction.

Radiation.

Which of the following pairs of forces are both non-contact forces?

Weight and upthrust.

Air resistance force and electrostatic force.

Magnetic force and weight.

Electrostatic force and friction force.

The value of Coulomb's constant (k) in SI units in a vacuum is approximately:

8.85 × 10⁻¹² F/m.

1.6 × 10⁻¹⁹C.

9 × 10⁻⁹N⋅m²/C².

9 × 10⁹ N⋅m²/C².

The electric field lines for a positive point charge are directed:

Parallel to the charge.

Towards the charge.

Away from the charge (radially outward).

In a circular path around the charge.

According to the fundamental laws of electric charges, which statement is correct?

Charged objects have no effect on neutral objects.

Like charges attract each other.

Opposite charges repel each other.

Like charges repel each other, and opposite charges attract each other.