Home
Class 12
PHYSICS
The ratio of powers disspatted respectiv...

The ratio of powers disspatted respectively in R and 3R , as shown is

A

9

B

`27//4`

C

`4//9`

D

`4//27`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (Level-1) SECTION -F Electrical Instrument + Exp. Verifying ohm s law & Specific Resistance Using Meter Brige & Post Office + Potentiometer (EMF & Int . Res.)|7 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (Level -II) SECTION -A Definition of Current , Current Density , Drift Velocity|1 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (Level-1) SECTION C,D - Circuit theory , KCL & KVL, Battery , Grouping of cells|14 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

The ratio of power dissipated respectively in R and 3R , as shown is:

The radii of two planets are respectively R_(1) and R_(2) and their densities are respectively rho_(1) and rho_(2) .The ratio of the accelerations due to gravity at their surface is

(a) Two heater coils made of the same material are connected in paralled across the mains. The length of diameter of one the coil is triple that of other. Which of these will produce more heat? (b) Three equal resistors connected in series across a source of emf together dissipated 10 Watt of power. What would be the power disspated if the same resistors are connected in parallel across the same source of emf? Two resistor R_(1) and R_(2) may be connect either in series or in parellel across a battery of zero internal resistance. it is required that joule heating for the parallel combination be four times than for series combination. if R_(1)= 100 Omega find R_(2) (d) The three resistance A, B and C have values 3R, 6R and R respectively. Now some potential difference is applied across the network . Find the ratio of thermal powers dissipated between X and Y . find ratio of power consumed by A,B, and C .

Let V and I be the readings of the voltmeter and the ammeter respectively as shown in the figure. Let R_(V) " and "R_(A) be their corresponding resistancce Therefore,

An amount of money is to be distributed among P,Q and R in the ratio of 6 : 19:7 respectively . If R gives Rs. 200 of his share to Q , the ratio among P,Q and R becomes 3 : 10:3 respectively .What was the total amount ?

The radii of two planets are R and 2R respectively and their densities p and rho//2 respectively, What is the ratio of acceleration due to gravity at their surfaces ?

A network of resistance is constructed with R_1 and R_2 as shown in fig. The potential at the points 1,2,3 …., N are V_1, V_2,V_3,…,V_n, respectively, each having a potential k times smaller then the previous one. The ratio R_2//R_3 is

A network of resistance is constructed with R_1 and R_2 as shown in fig. The potential at the points 1,2,3 …., N are V_1, V_2,V_3,…,V_n, respectively, each having a potential k times smaller then the previous one. The ratio R_1//R_2 is