Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A battery of emf 1.4 V and internal resistance 2 Ω is connected to a resistor of 100 ω resistance through an ammeter. This resistance of the ammeter is 4/3Ω. A voltmeter has also been connected to find the potential difference across the resistor. a. Draw the circuit diagram. b. The ammeter reads 0.02A. What is the resistance of the voltmeter? c. The voltmeter reads 1.1 V. What is the error in the reading?

A battery of emf 1.4 V and internal resistance 2 Ω is connected to a resistor of 100 ω resistance through an ammeter. This resistance of the ammeter is 4/3Ω. A voltmeter has also been connected to find the potential difference across the resistor. a. Draw the circuit diagram. b. The ammeter reads 0.02A. What is the resistance of the voltmeter? c. The voltmeter reads 1.1 V. What is the error in the reading?

In the circuit shown below the key is pressed at time t = 0. Which of the following statements is are true ?