English Medium Class 10 - CBSE Question Bank Solutions for Science

 In which direction does conventional current flow around a circuit?

In which direction do electrons flow?

Which of the following equation shows the correct relationship between electrical unit? 

1A = 1C/s or 1c= 1A/s 

What is the unit of electric current?

How many milliamperes as there in 1 ampere?

How many microamperes are there in 1 ampere?

Which of the two is connected in series : ammeter or voltmeter?

Compare how an ammeter and a voltmeter are connected in a circuit.

If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?

A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?

What is the current in a circuit if the charge passing each point is 20 C in 40 s?

Fill in the folloing blank with suitable words:

 A current is a flow of ............... .For this to happen there must be a ............... circuit.

Fill in the folloing blank with suitable words:  

 Current is measured in ............... using an ............... placed in ............... in a circuit.

What is an electric current?

What Makes an Electric Current Flow in a Wire?

<p> Define the unit of electric current (or Define ampere).

What is an Ammeter? How is It Connected in a Circuit? Draw a Diagram to Illustrate Your Answer.

 Write down the formula which relates electric charge, time and electric current

A Radio Set Draws a Current of 0.36 a for 15 Minutes. Calculate the Amount of Electric Charge that Flows Through the Circuit. 

Why should the resistance of: 

 an ammeter be very small?