Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Two heating coils, one of fine wire and the other of thick wire made of same material and of same length are first connected in series and then in parallel. Which of the following statements is correct?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

In series fine wire liberates more energy while in parallel thick wire liberates more energy.

b

In series fine wire liberates less energy while in parallel thick wire liberates less energy.

c

In series thick wire liberates more energy while in parallel it liberates less energy.

d

Both wires liberates equal energies in series and in parallel.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

R1=ρlA1,   R2=ρlA2   As  A1  <  A2  so  R1 >   R2In series H=I2Rt ⇒  H ∝  R  ⇒  H1  >  H2In parallel H=V2Rt ⇒  H ∝  1R  ⇒  H1  <  H2
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring