मराठी

Ten Bulbs Are Connected in a Series Circuit to a Power Supply Line. Ten Identical Bulbs Are Connected in a Parallel Circuit to an Identical Power Supply Line. (B) in Which Circuit, If One Bulbs Be Brighter? - Science

Advertisements
Advertisements

प्रश्न

Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(b) In which circuit, if one bulbs be brighter?

Advertisements

उत्तर

(b) Parallel circuit

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 6

APPEARS IN

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

1 A = _________ mA

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

What does an electric circuit mean?


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?


What actually travels through the wires when you switch on a light?


If the charge on an electron is 1.6 × 1019 coulombs, how many electrons should pass through a conductor in 1 second to constitute 1 ampere current?


V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.  

Which one of the columns (a) to (d) shows the correct values of V1, V2 and V3measured in volts? 

           `V_1`   `V_2`  `V_3` 

(a)         1.0       2.0        3.0                    

(b)         5.0       10.0      15.0

(c)         5.0       2.5        1.6                 

(d)         4.0       4.0        2.0 


What happens to the other bulbs in a series circuit if one bulb blows off?


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

(a) for decorating a hotel building from outside?


An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A? 


Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω


Match the pairs.

‘A’ Group  ‘B’ Group 
1. Free electrons a. V/R 
2. Current b. Increases the resistance in the circuit 
3. Resistivity c. Weakly attached 
4. Resistances in series d. VA/LI

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

Is electric potential a scalar or a vector physical quantity?

By what name is the unit joule/coulomb called?

Tick (✓) the correct choice among the following :

Which of the following changes would enable a millimeter to be used as a
direct current ammeter reading upto 1 A?


1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`


Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?


At the time of short circuit, the electric current in the circuit ______.


True or False – If False give the correct answer

The representation of the electric current is A


The flow of electric charge per unit time is called potential difference.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×