Question 1
1 Marks
Which machine converts mechanical energy into electrical energy?
Question 2
1 Marks
Which is the unit of current?
Question 3
1 Marks
Which is the unit of resistance?
Question 4
1 Marks
What is the flow of electrons in any conductor?
Question 5
1 Marks
Which property of a substance is opposing the flow of electric current?
Question 6
1 Marks
Which is very good conductor?
Question 7
1 Marks
Which is mineral insulator
Question 8
1 Marks
What is the total resistance if three resistances of 3 ohms, 9 ohms and 5 ohms are connected in series?
Question 9
1 Marks
What is the total resistance if two resistances of 4 ohms and 6 ohms are connected in parallel?
Question 10
1 Marks
Which is same in series connection of resistors in a circuit?
Question 11
1 Marks
Which law states that at constant termperature the current passing through a closed circuit is directly proportional to the potential difference and inversely proportional to the resistance?
Question 12
1 Marks
What is the resistance?
<br>
I = 11.5 Amps
<br>
V = 380 Volts
<br>
R = _______Ohms
Question 13
1 Marks
What is the current?
<br>
R = 50 Ohms
<br>
220 Volts
<br>
I =______Amps
Question 14
1 Marks
What is the voltage?
<br>
R = 250 Ohms
<br>
I = 0.44 Amps
<br>
V = _____Volts
Question 15
1 Marks
Which statement is correct according to ohm's law?
Question 16
1 Marks
What is the filament resistance if a 6 volt bulb draws a current of 0.5 Amps?
Question 17
1 Marks
How much watt second in 1 watt hour?
Question 18
1 Marks
What is the power if an emf of one volt causes a current flow of 1ampere?
Question 19
1 Marks
Which is equal to electric power?
Question 20
1 Marks
How much power does it consumes if an electric heater draws a current of 10 amps at 200 volts?
Question 21
1 Marks
What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?
Question 22
1 Marks
What is the voltage of the immersion heater?
<br>P = 500 watts
<br>
I = 2.27 Amps
<br>
V = ______Volts
Question 23
1 Marks
What is the unit of intensity of magnetic field?
Question 24
1 Marks
Which law states about electromagnetic induction?
Question 25
1 Marks
What is the formual for induced emf?
Question 26
1 Marks
What does EMF stands for?
Question 27
1 Marks
Which is the example for statically induced emf?
Question 28
1 Marks
Which is the example for dynamicallly induced Emf?
Question 29
1 Marks
Which is the unit electrical power?
Question 30
1 Marks
What is the current Flow in the bulb?
<br>
P = 550 watts
<br>
R = 22 Ohms
<br>
I = ______Amps
Question 31
1 Marks
What is the power required?
<br>
I = 0.455 Amps
<br>
R = 484 Ohms
<br>
P = _____Watts
Question 32
1 Marks
What is the rated power if an adjustable resistor bears the following label 1.5 k ohms/ 0.08A?
Question 33
1 Marks
How much voltage will be required to illuminate a 40 watts fluorescent lamp draws a current of 0.10 amperes?
Question 34
1 Marks
How many hours will take for a 100 watts bulb to consume 1 kwh energy?
<br>
W = 1 Kwh
<br>
P = 100 Watts
<br>
t = _____Hours
Question 35
1 Marks
What is termed as the quantity of matter contained in a body?
Question 36
1 Marks
What is the force with which a body is attracted by the earth towards its centre?
Question 37
1 Marks
What is called mass per unit volume of a substances?
Question 38
1 Marks
What is called the ratio between the density of a substances density of water at 4 Degree Centigrade?
Question 39
1 Marks
What is the density of aluminium?
Question 40
1 Marks
Wha is the mass if the density of a body is 7.6 g/cm<sup>3</sup> and its volume is 25 cm<sup>3</sup>?
Question 41
1 Marks
What is the specific gravity of the solid, if density of the solid is 19.5 g/cm<sup>3</sup>?
Question 42
1 Marks
What is the density (r) in g/cm3 of an iron cube, if it weighs (W) 4.8 kg and volume (V) is 640 cm,<sup>3</sup>?
Question 43
1 Marks
What is the volume (V) of mercury in cm3, if mass (m) of mercury is 1 kg and density (r) is 13.6 g/cm<sup>3</sup>?
Question 44
1 Marks
What is the mass in gram, if a force of 15 dyres acting on a mass m producing an acceleration of 2.5 cm/sec<sup>2</sup>?
Question 45
1 Marks
What is the specific gravity of the metal, if the piece of metal weighs 150 grams in air and 125 grams in water?
Question 46
1 Marks
What is the volume of mercury in cm3, if the mass (m) of mercury is 136 grams (g) and density (r) of mercury is 13.6 g/cm3?
Question 47
1 Marks
What is the block weighs (W) in kg, if volume (V) is 320 cm3 and density 8.9 g/cm<sup>3</sup>?
Question 48
1 Marks
What is the specific gravity of the metal, if the weighs 6.5 kgf in air and 3.5 kgf in water?
Question 49
1 Marks
What is the weight force of a car has a mass of 800 kg?(Take g = 9.81m/sec)
Question 50
1 Marks
Which one is non-metal?
Question 51
1 Marks
Which metal contains iron as a major content?
Question 52
1 Marks
What is the name of the metal which do not contain iron?
Question 53
1 Marks
Which one of the following properties is the mechanical properties of metal?
Question 54
1 Marks
Which is brittle metal?
Question 55
1 Marks
Which mechanical property of a metal offers resistance to elastic deformation in a cutting tool?
Question 56
1 Marks
Which property of material enables to formation of permanent deformation without fracture?
Question 57
1 Marks
Which property of metal has its power of returning to its original shape after the applied force is released?
Question 58
1 Marks
Which property of a metal possessed by it melts when heat is applied?
Question 59
1 Marks
Which alloy used in electric lamp as filament?
Question 60
1 Marks
What metals contained in brass alloy?
Question 61
1 Marks
Which cast iron cannot be welded?
Question 62
1 Marks
Which metal cannot be forged?
Question 63
1 Marks
Which metal is widely used for making casting of machinery parts?
Question 64
1 Marks
Which furnace is used to get pig iron from iron ore?
Question 65
1 Marks
What is the name of furnace to obtained cast iron?
Question 66
1 Marks