Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
What do the letters p.d. stand for?
Define one coulomb charge.
A current of 200 mA flows through a 4 kΩ resistor. What is the p.d. across the resistor?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
A V-I graph for a nichrome wire is given below. What do you infer from this graph? Draw a labelled circuit diagram to obtain such a graph.
A cell of e.m.f 2.0 V and internal resistance 1Ω is connected to the resistors of 3Ω and 6Ω in series. Calculate:
(i) the current drawn from the cell,
(ii) the p.d. across each resistor,
(iii) the terminal voltage of the cell and
(iv) the voltage drop.
A current of 0.2 A flows through a conducting wire for 5 minutes. How much charge will flow?
A 10 m long wire of a particular material is of resistance 5Ω What will be the resistance if the wire is doubled itself.
Assertion (A): Charges flow from higher potential to lower potential.
Reason (R): Current flows mainly due to the flow of electrons.
A negative charge will move from ______ to ______ potential.