Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 19

MEDIUM

NEET

IMPORTANT

Earn 100

What is the current $I$ shown in the given circuit?

12.5% studentsanswered this correctly

Important Questions on Current Electricity

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 20

Four resistors,

100 Ω, 200 Ω, 300 Ω

and

400 Ω

are connected to form four sides of a square. The resistors can be connected in any order. What is the maximum possible equivalent resistance across the diagonal of the square?

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 21

Whether the switch

K

is open or closed, the reading of galvanometer is the same. If

I

denotes the current in respective resistance, then
Question Image

Question Image

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 22

The potential difference between points $A$ and $B$ is

Question Image

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 23

Question Image

In the circuit shown, the current in the

1 Ω

resistor is:

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 24

In the electric network shown, when no current flows through the

4 Ω

resistor in the arm EB, the potential difference between the points A and D will be:

Question Image

Question Image

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 25

For the circuit shown, with

R_{1} = 1.0 Ω

,

R_{2} = 2.0 Ω

,

E_{1} = 2 V

and

E_{2} = E_{3} = 4 V,

the potential difference between the points

‘ a ’

and

‘ b ’

is approximately (

i n V

):

Question Image

MEDIUM

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 26

What is the time $t$ taken by the capacitor in the given circuit to charge to $\frac{1}{\sqrt{2 π}}$ of its full capacity?

Question Image

EASY

NEET

IMPORTANT

Physics Crash Course NEET>Chapter 13 - Current Electricity>Level 3>Q 27

Two batteries, one of emf 18 volts and internal resistance $2 Ω$ and the other of emf 12 volst and internal resistance $1 Ω$ , are connected as shown. The voltmeter V will record a reading of :-

Question Image