A torch bulb rated as \( 4.5 \mathrm{~W}, 1.5 \mathrm{~V} \) is con...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=IeDPmJGxHaU


Duration: 2:54
6 views
1

A torch bulb rated as \( 4.5 \mathrm{~W}, 1.5 \mathrm{~V} \) is connected as shown in the figure. The emf of the cell of internal resistance \( 2.67 \Omega \), need to make the bulb glow at full intensity is ______.
img src=https://penpencil-static-content.s3.ap-south-1.amazonaws.com/5eb393ee95fab7468a79d189/6ezd2zj1vi25xpkfyvv0o4ub2.png width=208 height=190 /
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-04-14Shown in the figure below is a meter-bridge set up with null deflec...
2023-04-14In the given circuit the ammeter reading is zero. What is the value...
2023-04-14An electric heater and an electric bulb are rated \( 500 \mathrm{~W...
2023-04-14A heater coil is rated \( 100 \mathrm{~W}, 200 \mathrm{~V} \). It i...
2023-04-14The power of a heater is \( 500 \mathrm{~W} \) at \( 800^{\circ} \m...
2023-04-14If \( \mathrm{A}, \mathrm{B} \) and \( \mathrm{C} \) are three non-...
2023-04-14If \( \mathrm{A} \) and \( \mathrm{B} \) are non-singular matrices ...
2023-04-14Two electric bulbs rated \( P_{1} \) watt \( V \) volt and \( P_{2}...
2023-04-14If \( \left|\begin{array}{lll}a_{1} & b_{1} & c_{1} \\ a_{2...
2023-04-14When a voltage of \(20\) volt is applied between the two ends of a ...
2023-04-14A torch bulb rated as \( 4.5 \mathrm{~W}, 1.5 \mathrm{~V} \) is con...
2023-04-14Two bulbs of \( (40 \mathrm{~W}, 200 \mathrm{~V}) \), and \( (100 \...
2023-04-14\( n \) identical bulbs, each designed to draw a power \( P \) from...
2023-04-13Let \( A=\left[\begin{array}{ccc}-1 & 2 & -3 \\ -2 & 0 ...
2023-04-13A \(60\)-watt bulb operates on \( 220 \mathrm{~V} \) supply. The cu...
2023-04-13What is the largest voltage you can safely put across a resistor ma...
2023-04-13If \( \mathrm{A} \) and \( \mathrm{B} \) are two square matrices su...
2023-04-13Two bulbs rated \( (25 \mathrm{~W}-220 \mathrm{~V}) \) and \( (100 ...
2023-04-13On using elementary row operation \( R_{1} \rightarrow R_{1}-3 R_{2...
2023-04-13Find the potential difference across each cell and the rate of ener...
2023-04-13If \( \mathrm{A} \) is an involuntary matrix given by \( A=\left[\b...


Tags:
pw