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प्रश्न
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उत्तर
A moving coil galvanometer can be converted into an ammeter by connecting a low resistance (called a shunt) in parallel to the galvanometer.
A moving coil galvanometer can be converted into a voltmeter by connecting a high resistance in series with the galvanometer.
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संबंधित प्रश्न
The figure given below shows an electric circuit in which current flows from a 6 V battery through two resistors.
- Are the resistors connected in series with each other or in parallel?
- For each resistors, state the p.d. across it.
- The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current?
- Calculate the effective resistance of the two resistors.
- Calculate the current that flows from the battery.
You can given one hundred 1 Ω resistors. What is the smallest and largest resistance you can make in a circuit using these?
State three factors on which the heat produced by an electric current depends. How does it depend on these factors?
Define the following:
Electromotive force
State expression for Cells connected in series.
Give the electric current unit.
MCB is used to protect household electrical appliances.
