English

What is the Unit of Electric Current? - Science

Advertisements
Advertisements

Question

What is the unit of electric current?

Solution

The SI unit of electric current is ampere and is denoted by the letter, A.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Electricity - Exercise 2

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 1 Electricity
Exercise 2 | Q 7

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Fill in the blank:

To increase the effective resistance in a circuit the resistors are connected in _____________.


The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?


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


An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key was set up.

(i) Draw a diagram of this electric circuit to study the relation between the potential difference maintained between the points 'X' and 'Y' and the electric current flowing through XY.


Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:  

(b) for lighting inside the rooms of the hotel?

 


What happens to the resistance if the conductor is made thinner?

What are the factors on which the resistance of a conductor depends? Distinguish between conductors and insulators.

The circuit diagram (Fig.) shows a battery of e.m.f. 6 volts and internal
resistance of 0.8 Ω oonnected in series. Find the
(a) Current reoorded by the ammeter,
(b) P.d. across the terminals of the resistor B,
( c) Current passing through each of the resistors B, C and D, and
( d) P.d. across the terminals of the battery.


An electric bulb is rated at 220 V, 100 W.

  1. What is its resistance?
  2. What safe current can be passed through it?

Define the following:

Conventional current and electron current


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×