Question:
The power delivered by a battery of emf 20 V is 40 W. Then the current delivered by the battery is
The power delivered by a battery of emf 20 V is 40 W. Then the current delivered by the battery is
Updated On: Apr 17, 2025
- 0.5 ampere
- 2 ampere
- 60 ampere
- 800 ampere
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The correct option is (B): 2 ampere.
Was this answer helpful?
0
0
Top Questions on Current electricity
- Find the equivalent resistance between two ends of the following circuit:
- JEE Main - 2025
- Physics
- Current electricity
- \( n \) identical cells, each of e.m.f \( E \) and internal resistance \( r \), are connected in series. Later on, it was found that two cells ‘X’ and ‘Y’ are connected in reverse polarities. Calculate the potential difference across the cell ‘X’.
- CBSE CLASS XII - 2025
- Physics
- Current electricity
- For mass 20 kg, torque \( \tau = 5 \, \text{Nm} \), find angular acceleration \( \alpha \).
- AIIMS Paramedical - 2025
- Physics
- Current electricity
- If current drops from 4 A to 0 A in 0.5 s, and voltage is 120 V, find the self-inductance.
- AIIMS Paramedical - 2025
- Physics
- Current electricity
- Given \( E(t) = 108t - 22 \), how is velocity derived from the electric field?
- AIIMS Paramedical - 2025
- Physics
- Current electricity
View More Questions
Questions Asked in TS POLYCET exam
- What is the value of \( \csc 31^\circ \sec 59^\circ \)?
- TS POLYCET - 2025
- Odd one Out
- $\cot(90^\circ - \theta) = ?$
- TS POLYCET - 2025
- Odd one Out
- The value of \( 1 + \sec 19^\circ \sin 71^\circ \) is:
- TS POLYCET - 2025
- Odd one Out
- The value of \( \frac{1 - \tan^2 45^\circ}{1 + \tan^2 45^\circ} \) is:
- TS POLYCET - 2025
- Odd one Out
- If \( A \) is the set of odd numbers less than 6 and \( B \) is the set of prime factors of 30, then:
- TS POLYCET - 2025
- Magnetic Field
View More Questions