Write important uses of transformer.
(N/A) $(1)$ Small transformers are used in radio receivers,telephones,and loudspeakers.
$(2)$ They are used in TVs,refrigerators,air-conditioners,and computers,and also function as voltage regulators.
$(3)$ They are used for stabilizing power supplies.
$(4)$ Step-up transformers are used to generate high voltage for long-distance power transmission.
$(5)$ Step-down transformers are used for melting metals in induction furnaces.
$(6)$ Step-up transformers are used in the production of $X$-rays.
$(7)$ Electrical energy generated at power stations is transmitted to consumers through transformers.
$(2)$ They are used in TVs,refrigerators,air-conditioners,and computers,and also function as voltage regulators.
$(3)$ They are used for stabilizing power supplies.
$(4)$ Step-up transformers are used to generate high voltage for long-distance power transmission.
$(5)$ Step-down transformers are used for melting metals in induction furnaces.
$(6)$ Step-up transformers are used in the production of $X$-rays.
$(7)$ Electrical energy generated at power stations is transmitted to consumers through transformers.
Explore More
Similar Questions
In a transformer,the number of turns in primary and secondary are $500$ and $2000$ respectively. If the current in the primary is $48 \ A$,the current in the secondary is......$A$.
Easy
View Solution$A$ small town with a demand of $800 \; kW$ of electric power at $220 \; V$ is situated $15 \; km$ away from an electric plant generating power at $440 \; V$. The resistance of the two-wire line carrying power is $0.5 \; \Omega/km$. The town gets power from the line through a $4000-220 \; V$ step-down transformer at a sub-station in the town.
$(a)$ Estimate the line power loss in the form of heat.
$(b)$ How much power must the plant supply,assuming there is negligible power loss due to leakage?
$(c)$ Characterise the step-up transformer at the plant.
$(a)$ Estimate the line power loss in the form of heat.
$(b)$ How much power must the plant supply,assuming there is negligible power loss due to leakage?
$(c)$ Characterise the step-up transformer at the plant.
Medium
View Solution$A$ transformer having an efficiency of $90 \%$ is working on a $200 \ V$ and $3 \ kW$ power supply. If the current in the secondary coil is $6 \ A$,the voltage across the secondary coil and the current in the primary coil respectively are:
$A$ $60\, W$ load is connected to the secondary of a transformer whose primary draws line voltage. If a current of $0.54\, A$ flows in the load,what is the current in the primary coil? Comment on the type of transformer being used.
Easy
View SolutionThe turn ratio of a transformer is given as $2 : 3$. If the current through the primary coil is $3 \, A$,calculate the current through the load resistance (secondary coil). (in $, A$)
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo