ELECTRICITY

The rate of electron flow in a circuit

• Voltage

• Resistance

• Current

The fuse and circuit breaker are safety devices that open the circuit when there is overloading.

• True

• False

Earthing protects the appliance user from the grounded appliances.

• True

• False

____________ is a condition when conducting wire touches the metallic part of the appliances, potentially causing electric shock to anyone who is able to touch the appliances.

• grounded circuit

• closed circuit

• open circuit

Earthing is a safety measure that connects the metal parts of an appliance to the ____________.

• earth/ground

• cement

What safety measure has been done by appliance manufacturers to prevent electric shock and grounded external casing of appliances?

• rounding

• double Insulation

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

The following are connected in parallel circuit at home EXCEPT

• refrigerator

• light bulbs

• Christmas lights

Which of the following is connected in series with the load at home?

• TV

• switch

• light bulbs

What is an electrical circuit?

• a whole bunch of wires

• a complete, unbroken path through which electric charges flow

• a broken path that electric charges can flow

• series

• parallel

Tags

NGSS.MS-ETS1-2