What are the multiple-choice questions related to electrical batteries?

The below list provides all the multiple-choice questions related to electrical batteries. Answers are available at the bottom of the article. 1. A battery is connected to a resistance causing a current of 0.5 A in the circuit. The current drops to 0.4 A when an additional resistance of 5 ω is connected in series.

What is a battery MCQ?

Batteries MCQ [Free PDF] - Objective Question Answer for Batteries Quiz - Download Now! The correct answer is option 1 Concept: The output voltage of a battery or cell decreases when a current is drawn from it due to its internal resistance.

Which method of charging a lead acid battery has the advantage?

In comparison to constant current charging method, the constant voltage charging method of charging a lead acid battery has the advantage (s) of reducing charging time. avoiding of excessive gassing. both reducing charging time and avoiding of excessive gassing. increasing capacity of the battery. 41.

How to keep lead acid battery terminals free from corrosion?

For keeping the lead acid battery terminals free from corrosion it is advisable to apply petroleum jelly. charge the battery at frequent intervals. 44. Battery charging equipment should be installed as near as practical to the battery under charge. both in well ventilated, clean and dry place and as near as practical to the battery under charge.

What is battery capacity unit Mah?

Concept: The capacity of the battery is represented in terms of Amp-hour. The capacity of battery = current delivered × duration of time Battery capacity unit mAh means when 1 mA of current is drawn from a battery it will take 1 hour to discharge.

How do automatic battery chargers work?

In automatic battery chargers, a voltage sensor circuit is incorporated to sense the voltage of the battery undercharges. The charger is automatically switched OFF when the battery voltage reaches the required optimum level. Chopper is used to convert fixed dc to variable dc.