Electricity and its effects

What does a fuse do?

• Melt down for no reason.

• Stop electricity

• Stop excessive electricity

What are the effects of electricity?

• Chemical effect

• Magnetic effect

• Heating effect

• Illuminating effect

Who developed the ISI mark?

• Bureau of India standard

• Bureau Indian standards

• Bureau India standard

• Bureau of Indian Standards

When does an electromagnet lose its magnetic Property?

• When current is very high

• When its switched off

• When heat is very high

• When current is switched on

What is an electromagnet based on ?

• Magnetic effect

• Electric current

• Magnetic effect of electric current

• Electro-chemical effect of current

A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 

• The switch needs to be opened.
• The switch needs to be closed.
• The cell needs an insulator.
• The wire needs to be connected to the bottom of the cell.

Tags

NGSS.4-PS3-2

What kind of circuits allow the movement of electrical energy?

• broken circuits

• short circuits

• open circuits

• closed circuits

What happens when the circuit is open?

• light bulb comes on
• device won't work
• static discharge
• lightning

A combination of two or more cells is called

• A button cell

• A battery

• An electric cell

• Truck battery

A glowing filament will be

• At a low temperature

• At a high temperature

• At atmospheric temperature

• At the temperature of ice