Home
Class 12
PHYSICS
Three equal resistors connected in serie...

Three equal resistors connected in series across a source of emf together dissipate 10W of power. What would be the power dissipated if te same resistors are connected in parallel across the same source of emf?

Text Solution

Verified by Experts

90 watt
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 (Level -II) SECTION A- Definition of Current , Current Density , Drift Velocity|1 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 (Level -II) SECTION B- Resistance & resistivity ,Ohms law +VI (Volt - Curr.) Characteristics + Colour Code + Temp . Dependence|6 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 (Level -I) SECTION C,D - Circuit theory , KCL & KVL, Battery , Grouping of cells|13 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

(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 .

Three equal resistors connected in series across a source of EMF together dissipate 10 W of power . What woulb be the power dissipate . If the same resistance are connected in parallel to the same source .Then .

Knowledge Check

  • Three equal resistors connected in series across a source of e.m.f. together dissipate 10 W of power. What should be the power dissipated if the same resistors are connected in parallel across the same source of e.m.f.

    A
    9 W
    B
    90 W
    C
    10 W
    D
    100 W

  • The power dissipated 6 Omega resistor is

    A
    `27/8 W`
    B
    `9/16 W`
    C
    `6/16 W`
    D
    `3/16W`

  • Three equal resistor connected in series across a source of enf together dissipate 10 Watt . If the same resistors aer connected in parallel across the same emf, then the power dissipated will be

    A
    10 Watt
    B
    30Watt
    C
    `10//3 Watt`
    D
    `90Watt`

    • Similar Questions

    Explore conceptually related problems

    Power dissipated in 4 Omega resistor is :

    Three equal resistors connected in series across a source emf together dissipate 4 watt.If the same resistors are connected in parallel across the same emf the power dissipate will be

    Three equal resistances connected is series across a source of e.m.f consume 20 watt. If the same resistor are connected in parallel across the same source of e.m.f., what would be the power dissipated ?

    Three identical resistors are connected in series . When a certain potential difference is applied across the combination , the total power would be dissipated is 27 W . How many times the power would be dissipated if the three resistors were connected in parallel across the same potential difference ?

    Five equal resistors when connected in series dissipated 5 W power. If they are connected in paralle, the power dissipated will be

    Home
    Profile