An electrical circuit contanis an electr...

An electrical circuit contanis an electrical appliance od reasistance `20Omega` in a certain part of it . A shunt of resistance `5Omega` is connected in parallel with the appliance . If the main current of the circuit remains unchanged , ehat will be the fractions of the rate of consumption of power in the appliance with respect to that of the initail rate ?

Text Solution

Verified by Experts

The correct Answer is:

`(1)/(25)`

Topper's Solved these Questions

ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise Problem Set - II|6 Videos
ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion - reason type )|5 Videos
ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - II )|3 Videos
DIGITAL CIRCUITS
CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos
ELECTRIC FIELD
CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

A shunt of 1 Omega is connected in parallel with a galvanometer of resistance 99 Omega . IF the main current of the circuit be 1A, then what will be the galvanometer current?

A certain circuit with resistance R- 100 Omega is powered by a direct current source. An ammeter with an internal resistance 1 Omega is connected to the circuit to measure the current .What was the current in the circuit before the ammeter was connected if the ammeter shows 5A?

Two electric cells each of emf 1.5 V and internal resistance 2 Omega are connected in parallel and this combiantion of cells is connected with an external distance of 2 Omega . What will be the current in the external circuit?

An electric cell of emf 10 V and of internal resistance 1 Omega is connected in series with the parallel combination of three resistances of 3 Omega,5 Omega and 8 Omega .Calculate the currents through the three resistances.

The resistance of an electrical appliance is 200 Omega and it can withstand a maximum current of 0.1A.A dc source ,which can send 1A main current,is connected with this appliance,How much resistance should be connected In parallel with the appliance to run it with safety?

The resistance of an electrical appliance is 200 Omega and it can withstand a maximum current of 1A. To operate the appliance on a dc source of 220 V what minimum resistance should be connected in series with it?

Which one of two electrical appliances ,rated 100 W - 200 V and 60W-200 V, would have a higher resistance ?

An electric cell of emf 2V and of negligible internal resistance is connected in series with a coil of resistance a 20 Omega and a galvanometer of resistance 200 Omega, a 20 Omega resistances is parallel with the galvanometer,find out the galvanometer current.

5 electric cells are connected in series .Emf of each cell is 1.5 V and internal resistance is 0.1 Omega .When this combination of cells is connected with an external circuit of resistance 4 Omega, what will be the current through that resistance? What resistance should be connected instead of 4 Omega so that the current will be halved?

A n-p-n transistor is connected to common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 Omega the voltage gain and the power gain of the amplifier will respectively be

CHHAYA PUBLICATION-ELECTRIC ENERGY AND POWER-Problem Set - I

An electric bulb is marked 100 w - 230 V . How much energy is produced...
Text Solution
|
A current of 5 A flows through an electric press of resistance 44Omega...
Text Solution
|
An electric bulb rated for 500 watt at 100 volt is connected to a 200 ...
Text Solution
|
Two resistances 2Omega and 6Omega are connected in parallel and the co...
Text Solution
|
Two resistances 2Omega and 6Omega are connected in series and the comb...
Text Solution
|
If the voltage of supply line drops to 180 V , what will be the power ...
Text Solution
|
Two electric lamps marked 110V- 60W and 110V - 100W are connected in ...
Text Solution
|
Each of two electric lamps of power 500 W is designed to work in 220 V...
Text Solution
|
In a Wheststone bridge P=20 Omega,Q=10Omega,R=10Omegaand S=5Omega. . ...
Text Solution
|
An electric heater is marked 110 V - 550 W and it is to be used in 200...
Text Solution
|
An electrical circuit contanis an electrical appliance od reasistance ...
Text Solution
|
Two wires of same measurements are taken . The ratio of specific resia...
Text Solution
|
The ratio of resitance in the fourn arms of a Wheatstone bridge is 3...
Text Solution
|
A fuse wire of radius 0.1 mm can withstand a maximum current of 1 A . ...
Text Solution
|
Two electric lamps marked 110V- 60W and 110V - 100W are connected in ...
Text Solution
|
A 110V -550W hearter is to be used with a 220V mains. What is the mini...
Text Solution
|
How many 60 W bulbs may be safely run on 220 v using a 5 A fuse?
Text Solution
|
If 10 bulbs of 40 each and 3 of 100w each run on the average for 5 hou...
Text Solution
|
In a house there are 10 lamps of 40 W each , 5 fans of 80 W each and a...
Text Solution
|
The main meter of a house contains a 5A fuse. 4 lamps rated 220V- 60 w...
Text Solution
|