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