Home
Class 12
PHYSICS
For ensuring dissipation of same energy ...

For ensuring dissipation of same energy in all three resistors `(R_(1), R_(2), R_(3))` connected as shown in figure, their values must be related s

A

`R_(1)=R_(2)=R_(3)`

B

`R_(2)=R_(3)` and `R_(1)=4R_(2)`

C

`R_(2)=R_(3)` and `R_(1)=(R_(2))/(4)`

D

`R_(1)=R_(2)+R_(3)`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

What is the ratio of power consumed in resistances R_(1) and R_(2) as shown In figure ?

For infinite ladder network containing identical resistance of R Omega each, are combined as shown in figure. The equivalent resistance between A and B is R_(AB) and between A and C is R_(AC) . Then the value (R_(AB))/(R_(AC)) is :

A cell of e.m.f. 2V and negligible internal resistance is connected to resistor R_(1) and R_(2) as shown in the figure. The resistance of the Voltmeter R_(1) and R_(2) are 80Omega,40Omega and 80Omega respectively. The reading of the voltmeter is:-

Two cells of same emf E but internal resistance r_(1) and r_(2) are connected in series to an external resistor R (figure). What should be the value of R so that the potential difference across the terminals of the first cell becomes zero ?

Four rods of material X and three rods of material Y are connected as shown in figure. All the rods are of identical lengths and cross-sectional area. Given thermal resistance of rod of material X, R_(x) = R and thermal conductivities of materials are related by relation K_(Y) = 2K_(X) . {:(,"Column-I",,"Column-II"),((A),"Thermal resistance between B and E" ,(p),(500)/(13).^(@)C ),((B),"Thermal resistance between A and F" ,(q),(700)/(13).^(@)C ),((C),"Temperature of junction B" ,(r),(2R)/(3)), ((D),"Temperature of junction D" ,(s),(13R)/(6)):}

When two resistors of R value connected in parallel what is equivalent resistance '?

In a triangle, if r_(1) gt r_(2) gt r_(3), then show a gtb gt c.

The value of the resistor, R_(S) , needed in the dc voltage regulator circuit shown here, equals :-

Let there be n resistors R_(1)... R_(n) with R_(max) = max (R_(1) ... R_(n) ) and R_("min") = " min " (R_(1) ... R_(n) ) . Show that when they are connected in parallel, the resultant resistance R_(p) = R_("min") and when they are connected in series, the resultant resistance R_(s) gt R_("max") . Interpret the result physically.

A set of n identical resistors, each of resistance R Omega , when connected in series have an effective resistance X Omega and when the resistors are connected in parallel, their effective resistance is Y Omega . Find the relation between R, X and Y.