Home
Class 12
PHYSICS
Three ammeters A,B, and C of resistances...

Three ammeters `A,B`, and `C` of resistances `R_A,R_b` and `R_C` respectively are joined as shown. When some potential difference is appllied across the terminals `T_1` and `T_2` their readings are `I_A,I_B and I_C` respectively Then,

A

`I_A=I_B`

B

`I_AR_A+I_BR_B=I_CR_C`

C

`I_A/I_C=R_C/R_A`

D

`I_B/I_C=R_C/(R_A+R_B)`

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
a. In series, current is same.
`:. I_A=I_B`
b. `V_A+V_B=V_C`
`:. I_R_A+I_BR_B=I_CR_C`
d. In parallel, current distributes in inverse ratio of resistance
`:. I_B/I_C=I_A/I_C= (R_(C))/(R_A+R_B)`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Level 2 Comprehension Example Type|2 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Level 2 Subjective|13 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Level 2 Single Correct|26 Videos

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Subjective|11 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

Three ammeters 1, 2, and 3 of resistances R_(1). R_(2) and R_(3) respectively are joined as shown. When some potential difference is applied across the terminals P and Q, their readings are I_(1), I_(2) and I_(3) , respectively. Then

A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter reading are V_A , V_B and V_C respectively.

Three voltmeters A, B and C having resistances R, 1.5 R and 3 R respectively are used in a circuit as shown. When a potential difference is applied between X and Y, the readings of the voltmeters are V_1, V_2 and V_3 respectively. Then :

A, B and C are voltmeters of resistances R, 1.5R and 3R respectively. When some potential difference is applied between x and y the voltmeter readings are V_A, V _B and V_C, then

In serial L-C-R circuit as shown in figure. The potential difference across A & B is

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged Potential at A is

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged . Potential at B is

In the series L-C-R circuit , the voltmeter and ammeter readings are respectively