Current Electricity Test

Result

Current Electricity Test - 49

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Weekly Quiz Competition

Question 1
4 / -1

By using only two resistance coils-singly, in series or in parallel one should be able to obtain resistances of 3, 4, 12 and 16 ohm. The separate resistances of the coils are

A
3 and 4

B
4 and 12

C
12 and 16

D
16 and 3

Solution
Question 2
4 / -1

In the figure given the value of X resistance will be, when the p.d. between B and D is zero

A
4 ohm

B
6 ohm

C
8 ohm

D
9 ohm

Solution
Question 3
4 / -1

The effective resistance between points A and B is

A
10 Ω

B
20 Ω

C
40 Ω

D
None of the above three values

Solution
Question 4
4 / -1

Five resistors of given values are connected together as shown in the figure. The current in the arm BD will be

A
Half the current in the arm ABC

B
Zero

C
Twice the current in the arm ABC

D
Four times the current in the arm ABC
Question 5
4 / -1

In the network shown in the figure, each of the resistance is equal to 2 Ω. The resistance between the points A and B is

A
1 Ω

B
4 Ω

C
3 Ω

D
2 Ω

Solution
Question 6
4 / -1

In the arrangement of resistances shown below, the effective resistance between points A and B is

A
20 Ω

B
30 Ω

C
90 Ω

D
110 Ω

Solution
Question 7
4 / -1

In the circuit given E = 6.0 V, R₁ = 100 ohm, R₂ = R₃ = 50 ohm, R₄ = 75 ohm. The equivalent resistance of the circuit , in ohm,is

A
11.875

B
26.31

C
118.75

D
None of these

Solution
Question 8
4 / -1

In the given figure, when galvanometer shows no deflection, the current (in ampere) flowing through 5 Ω resistance will be

A
0.5

B
0.6

C
0.9

D
1.5

Solution
Question 9
4 / -1

Five equal resistances each of value R are connected in a form shown alongside. The equivalent resistance of the network

A
Between the points B and D is R

B
Between the points B and D is R/2

C
Between the points A and C is R

D
Between the points A and C is R/2

Solution
Question 10
4 / -1

In the circuit shown below the resistance of the galvanometer is 20 Ω. In which of the following alternatives are the currents arranged strictly in the decreasing order

A
i, i₁, i₂, i_g

B
i, i₂, i₁, i_g

C
i, i₂, i_g, i₁

D
i, i₁, i_g, i₂

Solution