In a switching circuit, if the combination $(S_1 \land S_2)$ is connected in parallel to the combination $(S_1' \land S_2')$, then the room is lit only when
- A$S_1$ is ON and $S_2$ is OFF
- B$S_1$ is OFF and $S_2$ is ON
- C$S_1$ and $S_2$ both ON or $S_1$ and $S_2$ both OFF
- DThe room is always lit.
Explore More
Similar Questions
$\vec{A}$ is a vector of magnitude $2.7$ units due east. What is the magnitude and direction of vector $4 \vec{A}$?
Easy
View SolutionFind the unit vector of a vector whose coordinates are $(8, 6)$.
Easy
View SolutionA body cools from $100^\circ C$ to $60^\circ C$ in $20$ minutes, the temperature of the surroundings being $20^\circ C$. The total time taken (in minutes) for the body to cool down to $40^\circ C$ is ...
DifficultMHT CET 2026
View SolutionGive three properties which have different magnitudes and also have different directions.
Difficult
View SolutionIf $\vec{A} + \vec{B} = \vec{C}$ and $|\vec{A}| = |\vec{B}| = |\vec{C}|$,then the angle between $\vec{A}$ and $\vec{B}$ is ....... $^o$.
Medium
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