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Multiple Choice Question (MCQ) of Battery page-6


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51. A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short-circuited ?

A) 1 A
B) 6 A
C) 100 A
D) 600 A.

Ans : (D)

52. Five carbon zinc cells in series have an output of

A) 1.5 V
B) 5.0 A
C) 7.5 V
D) 10.0 A.

Ans : (C)

53. Cells are connected in parallel to

A) increase the voltage output
B) increases the internal resistance
C) decreases the current capacity
D) increases the current capacity.

Ans : (D)

54. Which of the following is the common voltage of automobile batteries

A) 2 V
B) 10 V
C) 12 V
D) 25 V

Ans : (C)

55. Which test is used to ascertain whether the battery plates are defective or not?

A) Specific gravity test
B) High discharge test
C) Open volt test
D) Cadmium test.

Ans : (D)

56. Which battery is used in aeroplanes?

A) Dry cell battery
B) Lead acid battery
C) Edison cell
D) None of the above.

Ans : (D)

57. The ampere hour capacity of a battery used on trucks is

A) 200 - 250 Ah
B) 100 - 150 Ah
C) 30 - 60 Ah
D) 5 - 10 Ah.

Ans : (B)

58. The ampere hour capacity of a battery used on cars is

A) 30 - 60 Ah
B) 5 - 10 Ah
C) 200 - 250 Ah
D) 100 - 150 Ah.
Ans : (A)

59. When the battery is being discharged, the terminal voltage decreases with

A) increasing discharge rate
B) decreasing state of charge
C) decreasing temperature
D) none of the above.

Ans : (A)

60. When the battery is being charged, the terminal voltage decreases with

A) increasing charging rate
B) increasing state of charge
C) increasing temperature
D) all of the above.

Ans : (C)


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