EASY
Earn 100

Ammeter measures

50% studentsanswered this correctly

Important Questions on Electric Current

EASY

The S.I. unit of electric current is _____.

EASY

Write the conventional symbol of the following component used in electric circuit diagram-

Voltmeter

EASY

Define electric current and give its SI unit.

EASY

Write the conventional symbol of the following component used in electric circuit diagram-

A wire joint

EASY

Select the correct statement in the following and choose the correct option

  1.  An Ammeter is connected in series in a circuit and a Voltmeter is connected in parallel.
  2.  An Ammeter has a high resistance.
  3.  A Voltmeter has a low resistance. 
EASY

In the circuit shown all the measuring instruments are ideal. The reading in ammeter A2 will be:

Question Image

MEDIUM
Draw any four symbols of the components used in electric circuit.
MEDIUM
The device used for measuring electric current in a circuit is called
EASY
A science teacher asked a student to measure potential difference across the ends of a dry cell. The device needs to be used by the student is :
EASY
In an electric circuit, the voltmeter is used :
HARD

A child has drawn the electric circuit to study Ohm's law as shown in the figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.

Question Image

EASY
How is an ammeter connected in a circuit? Illustrate with a diagram.
EASY
Which device is used to measure the potential difference?
EASY
How is a voltmeter connected in the circuit to measure the potential difference between two points? 
MEDIUM

Why an ammeter likely to burn out if you connect it in parallel?

EASY
A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of (Figure). The current recorded in the ammeter will be :

Question Image
EASY
Name the instruments used to measure electric current and potential difference respectively. Which of these is connected in series and which is connected in parallel in a circuit?
EASY
Electric current is measured by a device, called _____.