Electric Current

How many amperes are there in one milliampere?

Microampere is a unit of _____.

When $2$ coulomb of charge, flows through a circuit for $10$ seconds, calculate the current in amperes?

The SI unit of electric current is -

Electric current is measured with a voltmeter.

Ammeter measures

What kind of 'effect' can be observed when an electric current flows through a circuit?

_____ metal is used almost exclusively for filaments of electric bulbs.

${10}^{20}$Electrons, each having a charge of $1.6\times {10}^{-19} \mathrm{C}$ pass from a point A towards another point B in $0.1 \mathrm{s}$. What is the current in ampere? 

Which two circuit components are connected in parallel in the following circuit diagram?
 

The SI unit of electric charge is _____ .(Ampere/Coulomb)

 An electric current is a flow of electric charge. In electric circuits, this charge is often carried by_____ in a wire.

At the time of short circuit, the current in the circuit ____.

Which one of the following devices is used to measure electric current?

Write the experimental method to test good conductor and insulator.

What is electric current?

The rate of flow of charges is called _____ .

Define the electric current.

$2$ coulomb charge passes through an electrical circuit in $0.5$ second. Find the value of electric current in ampere.

Who first observed the magnetic effect of current?