badge image

Enroll For Free Now & Improve Your Performance.

×
User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12

                        

four cells each of emf 2V and internal resistance 1ohm are connected in parallel with an external resistance of 6ohm.The current in the external resistance is?

four cells each of emf 2V and internal resistance 1ohm are connected in parallel with an external resistance of 6ohm.The current in the external resistance is?
 

one year ago

Answers : (2)

Arun
25768 Points
							
I) As cells are in parallel, the battery has net emf of 1.5 V and its net internal resistance, r is given by 
1/r = 1 + 1 + 1 + 1= 4 => r = 0.25 ohm. 
(ii) total resistance, R = 0.25 + 6 = 6.25 ohm
(iii) current flowing in the external circuit is
I = 2 / R = 2 / 6.25 = 0.32A
 
one year ago
Khimraj
3007 Points
							 
 battery has net emf of 2 V and its net internal resistance, r is given by 
1/r = 1 + 1 + 1 + 1= 4 => r = 0.25 ohm. 
R = 0.25 + 6 = 6.25 ohm
current 
I = 2 / R = 2 / 6.25 = 0.32A

 
one year ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details