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A rectifier is a device that converts alternating electric current into direct current. It may be an electron tube (either a vacuum or a gaseous type), vibrator, solid-state device, or mechanical device. Hence option B is correct. A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage. An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. A Condenser is a device for reducing a gas or vapour to a liquid. Condensers are employed in power plants to condense exhaust steam from turbines and in refrigeration plants to condense refrigerant vapours, such as ammonia and fluorinated hydrocarbons.
The journalists have _________ that spying has caused serious _________ on the rights to free speech and privacy.
While most _______________of bioluminescence are harmless, experts caution that large blooms can potentially ___________oxygen in the water, affecting m...
Recent history casts a remarkably sobering light on how much politicians can count on __________ arguments to hold sway over popular sentiment.
Given below sentence with one blank. Below sentence are given four words among which one word might fill the blank.
The ancient castle stood ...
I couldn’t help _____________ you because you are ____________ than pretty, and I like that sort of a person.
Choose the correct phrase or expression to complete the sentence.
I have never ________ in the Raj Bhavan, but I hope to very soon.
RBI can now …………. banks to …………. insolvency …………. with respect to sp...
Choose the correct word(s) to fill in the blank.
It was my sister’s birthday and all ____ us ____ the family wanted to buy a gift _____ her.
Select the most appropriate option to fill in the blank.
The government should take steps to ______ pollution.
The sound track gives us the ____________ before the visual cue; it is as if the thunder arrives before the lightning.