English

Which of the Following Units Could Be Used to Measure Electric Charge? (A) Ampere (B) Joule (C) Volt (D) Coulomb - Science

Advertisements
Advertisements

Question

Which of the following units could be used to measure electric charge?

(a) ampere
(b) joule
(c) volt
(d) coulomb

Advertisements

Solution

 coulomb
It is the SI unit of electric charge 

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

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 1 Electricity
Exercise 1 | Q 19

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

1 A = _________ mA

  1. 102
  2. 103
  3. 10-3
  4. 10-6

Three 2 V cells are connected in series and used as a battery in a circuit.

 What is the p.d. at the terminals of the battery?


Fill in the folloing blank with suitable words:  

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


A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?


Consider the circuit given below: 

 

(a) In which circuit are the lamps dimmest?
(b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i)?
(c) Which circuit gives out the maximum light?  


Consider the circuit given below when A, B and C are three identical light bulbs of constant resistance.   

(a) List the bulbs in order of increasing brightness.
(b) If C burns out, what will be the brightness of A now compared with before?
(c) If B burns out instead, what will be the brightness of A and C compared with before?


Name two devices which work on the heating effect of electric current.


State the law which relates the current in a conductor to the potential difference across its ends.

Complete the following sentence:

Fuse wire has a ............ Melting point and it is made of an alloy of ......... and if the current in a circuit rises too high, the fuse wire ...........


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

Find the effective resistance in the following circuit diagrams (Fig.):


What is the criteria for selecting a fuse wire?


Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. The resistance of each heater


A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:

The resistance of the bulb


A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:

The energy dissipated in the bulb in 10 minutes.


State the condition when it is advantageous to connect cells in series.


Define an electric current.


Assertion (A): Electric current will not flow between two charged bodies when connected if their charges are the same.
Reason (R): Current is the rate of flow of charge.


What does the direction of current convey?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×