English

If you were going to connect two light bulbs to one battery, would you use a series or a parallel arrangement? Why? Which arrangement takes more current from the battery?

Advertisements
Advertisements

Question

If you were going to connect two light bulbs to one battery, would you use a series or a parallel arrangement? Why? Which arrangement takes more current from the battery?

Long Answer
Advertisements

Solution

Since every lightbulb in a parallel circuit receives the same voltage as the battery, I would choose to utilize a parallel arrangement. Additionally, if a flaw causes one light to stop glowing, the other bulb keeps glowing. This guarantees that even in the event of a single bulb failure, the circuit will continue to function. Because the parallel design has a lower equivalent resistance than a series arrangement, it pulls more current from the battery. Ohm's Law (I = V/R) states that a stronger current from the same voltage source is produced by a lower resistance. 

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Electricity - Exercise 6

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 1 Electricity
Exercise 6 | Q 10

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

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

How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells?


By what name is the physical quantity coulomb/second called?


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


Give three reasons why different electrical appliances in a domestic circuit are connected in parallel.


What are the conditions under which charges can move in a conductor?

Name the physical quantity which defines the rate of flow of charge.

Name the physical quantity which is measured by an ammeter.

How many electrons are present in 1 C?

An electric bulb is rated at 220 V, 100 W. What is its resistance? What maximum current can be passed through it?

Can a copper wire be used as a fuse wire?

Define the following:

Super conductors


Two resistors P and Q of the same material and length but of different thickness are connected in parallel to a battery. The cross- sectional area of P is twice that of Q. What is the ratio of
(a) The resistance of P to the resistance of Q?
(b) The current in P to the current in Q?


Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.


Fig . shows the core of a transformer and i ts input and output connections 

State the material used for the core and describe th e structure of the core.
(a) Use the values given in the diagram to calculate the turns ratio for the transformer and connections, labeling all parts of the diagram .
(b) If a current of 2 A is taken from th e output, calculate th e current in the input circuit (Assume the transformer to be ideal ).


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 total energy supplied by the battery in 10 minutes


True or False – If False give the correct answer

The representation of the electric current is A


Water : pipe :: Electric current : ______.


Match the items in column-I to the items in column-II:

Column - I Column - II
(i) electric current (a) volt
(ii) potential difference (b) ohm meter
(iii) specific resistance (c) watt
(iv) electrical power (d) joule
(v) electrical energy (e) ampere

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.


Calculate the current in a wire if a charge of 1500 coulomb flows through it in 5 minutes.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×