The energy consumed in a $1\, kW$ electric heater in $30$ seconds will be:
- A$6 \times 10^2\, J$
- B$4.99 \times 10^7\, J$
- C$9.8 \times 10^6\, J$
- D$3 \times 10^4\, J$
Explore More
Similar Questions
The material of a fuse wire should have:
An electric room radiator which operates at $225\, V$ has a resistance of $50\, \Omega$. The power of the radiator is approximately ............... $W$.
Easy
View Solution$n$ identical bulbs,each designed to consume power $P$ at a certain voltage source,are connected in series across the same source. The total power consumed by them is:
Easy
View Solution$A$ $6.0\,V$ battery is connected to two light bulbs as shown in the figure. Light bulb $1$ has a resistance of $3\,\Omega$ while light bulb $2$ has a resistance of $6\,\Omega$. The battery has negligible internal resistance. Which bulb will glow brighter?
DifficultAIEEE 2012
View SolutionTwo electric lamps of $40\, W$ each are connected in parallel. The power consumed by the combination will be ........... $W$.
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