Flash Card
The voltage difference in India between the live and neutral wires is about ............... .
P and Q are two wires of same length and different cross sectional areas and made of same material. Name the property which is same for both the wires.
Which of the following is the odd one out?
What is the SI unit of electric current?
The SI unit of resistance is
Which of the following materials is a good conductor of electricity?
The device used to measure electric current is called:
The .......... wire is either yellow or green in colour.
Which of the following devices converts electrical energy into mechanical energy?
Resistivity is the specific property of a ...................
An ammeter is connected in a circuit in:
Which of the following materials has the least resistance?
Identify the odd one out: Copper, Silver, Glass, Aluminum
If a P.D. of 12 V is applied across a 3 resistor then the current passing through it is ................... .
1 mA = ...............A
Which of the following is the odd one out?
The resistance of a conductor depends on:
Following is true for identical bulbs connected in parallel.
Which of the following materials has the highest resistance?
1 kilowatt hr = ............joules.
Which of the following statements is true about a voltmeter?
To increase the effective resistance in a circuit the resistors are connected in ..............
In order to measure the electric current flowing through a circuit, we connect ............ with the circuit.
Ohm's law relates which of the following quantities?
In a parallel circuit, if one branch has a high resistance:
A device with a resistance of 4 Ω is connected in series with a device with a resistance of 6 Ω. What is the total resistance of the combination?
The total resistance in a series circuit:
Which of the following is the odd one out?
Which of the following is the odd one out?
Which of the following is the odd one out?
