Electricity

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The SI unit of electric charge is .

An instrument called measures electric current in a circuit.

A continuous and closed path of an electric current is called an .

The SI unit of electric potential difference is .

The potential difference is measured by means of an instrument called the .

A conductor having some appreciable resistance is called a .

The SI unit of electric power is .

states that at constant temperature potential difference (voltage) across an ideal conductor is proportional to the current through it.

Property of the conductor which resists the flow of electric current is called .

Equivalent resistance in parallel combination will be than the lest resistance used in circuit.

Current is a quantity .

Presence of argon prolongs the life of of electric bulb.

Work done on unit charge is called as .

Two resistors are in parallel when they have common points.

746 watts make power.

Rheostat used in in a circuit can make a bulb to glow with varying brightness.

The SI unit of is ohm-metre.

The SI unit of electric current is .

The unit of power is .