Current Electricity-Series and Parallel Combinations of Resistors (NEET Physics): Questions 9 - 10 of 10

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 9

» Current Electricity » Series and Parallel Combinations of Resistors

MCQ▾

Question

How can we convert the galvanometer of Rg=12Ω and current Ig=3mA into Ammeter with maximum range of 6A.

Choices

Choice (4) Response
a.

By adding a resistance 2.5mΩ in series with the galvanometer

b.

By adding a resistance 6mΩ in series with the galvanometer

c.

By adding a resistance 6mΩ . in parallel with the galvanometer

d.

By adding a resistance 2.5mΩ in parallel with the galvanometer

Question number: 10

» Current Electricity » Series and Parallel Combinations of Resistors

MCQ▾

Question

Twelve wires of equal length and same cross-section are connected in the form of a cube. If the resistance of each of the wires is R, then the effective resistance between the two diagonal ends would be

Cube made by twelve wires of equal and same cross-section area.

Cube Made by Twelve Wires of Equal and Same Cross-Section Area.

Twelve wires of equal length and same cross-section are connected in the form of a cube. The resistance of each wires is R.

Choices

Choice (4) Response
a.

2 R

b.

12 R

c.

56 R

d.

8 R

Sign In