Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
To increase the effective resistance in a circuit the resistors are connected in _____________.
Compare how an ammeter and a voltmeter are connected in a circuit.
Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω
Two cells each having an e.m.f. of 2 V and an internal resistance of 2Ω are
connected (a) In series, and ( b) In para 1le l as shown in fig. . What is the
current flowing through the cir cu it in each_ case?
What would be the danger involved in replacing a blown fuse with the one which would carry a large current?
State the condition when it is advantageous to connect cells in series.
What determines the direction of flow of electrons between two charged conductors kept in contact?
- What is meant by electric current?
- Name and define its unit.
- Which instrument is used to measure the electric current? How should it be connected in a circuit?
