Bioelectricity

Current flows in a circuit when

• A switch is open

• A switch is closed

• The switch is either opened or closed

• None of above

Which of the following is NOT based on the heating effect of current?

• Electric heater

• Electric bulb (with filament)

• Electric iron

• Microwave

Which of the following is NOT a conductor of electricity?

• Vinegar

• Lime juice

• Salt water

• Distilled water

Electric wires are generally coated with:

• Plastic

• Wood

• Glass

• None of these

Who has invented the first practical long - lasting electric light bulb?

• Einstein

• Newton

• Thomas Edison

• None of these

Which of the following is NOT working on Electricity?

• Television

• Tube light

• Air conditioner

• Solar heater

Two forms of electricity are _________ & ____________.

• Dynamic & magnetic

• Static & optic

• Static & dynamic

• None of these

Name of two electric charges are_______, __________.

• Positive & Neutral

• Positive & Negative

• Negative & neutral

• None of these

In magnets, LIKE poles _________ each other.

• Attract

• Repels

• Unlike

• Like

In magnets, UNLIKE poles ___________ each other.

• Attract

• Repels

• Unlike

• Like