Class 9 | Current Electricity
8 March 2024 EasyLearning
Flash Card
Which of the following devices converts electrical energy into mechanical energy?
The device used to measure electric current is called:
Which of the following is the odd one out?
In order to measure the electric current flowing through a circuit, we connect ............ with the circuit.
In a parallel circuit, if one branch has a high resistance:
1 mA = ...............A
The resistance of a conductor depends on:
To increase the effective resistance in a circuit the resistors are connected in ..............
Which of the following is the odd one out?
1 kilowatt hr = ............joules.
Resistivity is the specific property of a ...................
The .......... wire is either yellow or green in colour.
The SI unit of resistance is
Which of the following is the odd one out?
The total resistance in a series circuit:
If a P.D. of 12 V is applied across a 3 resistor then the current passing through it is ................... .
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?
Which of the following materials is a good conductor of electricity?
Which of the following is the odd one out?
Identify the odd one out: Copper, Silver, Glass, Aluminum
What is the SI unit of electric current?
Which of the following statements is true about a voltmeter?
Which of the following is the odd one out?
Which of the following materials has the highest resistance?
Which of the following materials has the least resistance?
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.
Following is true for identical bulbs connected in parallel.
An ammeter is connected in a circuit in:
Ohm's law relates which of the following quantities?
