No products in the cart.

You are asked to measure e.m.f …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

You are asked to measure e.m.f of a cell.Which instrument will you use? A high resistance Voltmeter or Potentiometer and why?

Posted by Suraj Mishra 2 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Suraj Mishra 2 years, 11 months ago

The Voltmeter basically measures the Potential Difference between two electrodes. ... That's why it is not used to measure the e.m.f. of the cell. Now, Potentiometer measures the e.m.f. of the cell, which is nothing but the open circuit voltage of the cell.

1Thank You

ANSWER

Related Questions

What is pseudo force

Posted by Ashish Ranjan 1 week, 1 day ago

CBSE > Class 12 > Physics

1 answers

Draw electric field lines for two negative charges infront of each other

Posted by Sanjana Mehra 2 days, 20 hours ago

CBSE > Class 12 > Physics

0 answers

5 8 4 6 Find force on -q and q 2 3 4 Fnd force on -q and 2q Answers 27Kq" 4r SKa (-) 29 294 For leftmost. F = h()& For middle, F = 9r4 189/86 7. Find the valuc of r such that the forcc cxperiencc by the charge Q will be maximum? Ir0= 30°, q, = -10-6C, q2=3X 10C, q3 = -2 x 10C, r2 = 15 cm, ry3= net force on charge qi? For -q. F -(& For 2q. F 5. Find the ratio of magnitude of force 3Kq 20 2r2 ( 2.9 27 6. For q. F 7. r= 2.1 8. 2.64 N F. VSKq' 10 cm Find & For -q. F VIDYAPATH BY: ABHIMANYU KUMAR (IWT BOMBAY),76942oes

Posted by Sonal Sharma 4 days, 3 hours ago

CBSE > Class 12 > Physics

0 answers

Posted by Fahiner Kumar 5 days, 22 hours ago

CBSE > Class 12 > Physics

2 answers

Question 1)A ball is dropped from a height of 20 m above the surface of the water in a lake. The refractive index of water is 4/3. A fish inside the lake, in the line of fall of the ball, is looking at the ball. At an instant, when the ball is 12.8 m above the water surface, the fish sees the speed of the ball as g = 10m/s2. (A) 9 m/s (B) 12 m/s (C) 16 m/s (D) 21.33 m/s Answer with Explanation plz

Posted by Devnandani Sen 5 days, 21 hours ago

CBSE > Class 12 > Physics

0 answers

Automobile ignition failure occurs in damp weather. Explain why .

Posted by Diksha Sharma 1 week, 1 day ago

CBSE > Class 12 > Physics

0 answers

Calculate the field due to a electric dipole of length 10cm having the charges 1micro coulomb at an equatorial point 12cm from the center of the dipole

Posted by Remy Roy 3 days, 19 hours ago

CBSE > Class 12 > Physics

0 answers

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Suhani Sharma 4 days ago

CBSE > Class 12 > Physics