Question is ⇒ During discharging of lead acid cells, the terminal voltage decreases with the decrease in, Options are ⇒ (A) temperature., (B) discharge rate., (C) state of charge., (D) none of these., (E) , Leave your comments or Download question paper.

Question is ⇒ During discharging of lead acid cells, the terminal voltage decreases with the decrease in, Options are ⇒ (A) temperature., (B) discharge rate., (C) state of charge., (D) none of these., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	During discharging of lead acid cells, the terminal voltage decreases with the decrease in
A.	temperature. [Wrong Answer]
B.	discharge rate. [Correct Answer]
C.	state of charge. [Wrong Answer]
D.	none of these. [Wrong Answer]
View Answer 17 -3 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ Sulphated cells are indicated by the
low specific gravity.
low voltage on discharge.
low capacity.
all of the above.

⇒ The capacity of a lead acid battery is adversely affected by increase in
discharge rate.
charge rate.
temperature.
specific gravity of the electrolyte.

⇒ What carries current in an electrolyte
Electrons only
- ve ions only
+ ve ions only
Both + ve and - ve ions

⇒ The current capacity of a cell is measured in
A
Ah
W
Wh

⇒ For keeping the lead acid battery terminals free from corrosion it is advisable to
keep electrolyte level low
apply petroleum jelly.
charge the battery at frequent intervals.

⇒ What causes lower efficiency of alkali cell as compared to the acid cell ?
Lower emf
Small amount of electrolyte
Longer life
Higher internal resistance

⇒ Through an electrolyte an electric current is due to drift of
Free electrons
Positive and negative ions
Free electrons and holes
Protons

⇒ Capacity of a dry cell is
more when it supplies current continuously.
more when it supplies current intermittently.
not affected by the type of discharge.
none of the above.

⇒ Five cells are connected in series in a row and then four such rows are connected in parallel to feed the current to a resistive load of 1.25 ω. Each cell has an emf of 1.5 V with an internal resistance of 0.2 ω. The current through the load will be
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⇒ Which of the following acts as depolariser in Lechlanche cell ?
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slightly increases with the increase in temperature.
decreases with the increase in temperature.
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⇒ Which of the following statements is correct about lead acid batteries ?
It delivers current as soon as its components are put together.
Density of electrolyte increases while delivering current
lt does not deliver current on putting its components together until it is supplied electrical energy from an external source
It has lead as positive plates.

⇒ In a lead acid battery, separators are provided to
reduce internal resistance.
facilitate flow of the current.
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⇒ Which of the following statements is incorrect about lead acid batteries ?
The electrolyte in weak sulphuric acid.
When fully charged both of the plates become lead-per-oxide.
The number of plates is always odd.
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⇒ Short circuiting of a cell results in
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abnormal high temperature.
low specific gravity of the electrolyte.
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⇒ Common impurity in a battery electrolyte is
dust particles.
iron.
lead crystals.
sodium chloride.

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ampere-hours.
efficiency.

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room temperature
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25 ω
40 ω

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Galvani
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