S8P5a S8P5b Non Contact Forces

Front

What is charging by induction?

Back

Charging by induction is a method of charging an object without direct contact. It involves bringing a charged object close to a neutral object, causing a redistribution of charges in the neutral object.

Front

What is an electrical insulator?

Back

An electrical insulator is a material that does not allow electric charges to flow freely. Examples include rubber, plastic, and glass.

Front

What is the charge of a glass rod after being rubbed with silk?

Back

The glass rod becomes positively charged, while the silk becomes negatively charged due to the transfer of electrons.

Front

What happens to electrons when a negatively charged object is brought near a neutral conductor?

Back

Electrons in the neutral conductor will move away from the negatively charged object, causing one side of the conductor to become positively charged and the other side to become negatively charged.

Front

What is the role of friction in charging objects?

Back

Friction can transfer electrons from one object to another, resulting in one object becoming positively charged and the other negatively charged.

Front

What is the difference between conduction and induction?

Back

Conduction involves direct contact between objects for charge transfer, while induction involves the influence of a charged object on a neutral object without direct contact.

Front

What is the charge on an object that has lost electrons?

Back

An object that has lost electrons becomes positively charged.

Front

What is the charge on an object that has gained electrons?

Back

An object that has gained electrons becomes negatively charged.

Front

What materials are good electrical conductors?

Back

Good electrical conductors include metals like copper, aluminum, and silver, which allow electric charges to flow easily.

Front

What is the effect of a charged balloon on neutral objects?

Back

A charged balloon can attract neutral objects by inducing a charge separation within them, causing them to be attracted to the balloon.