Q. Charge on an electron is ___________ C.
Q. The mass of electron is ___________ Kg.
Q. ___________ electrons per second will produce current of 1 A.
Q. ___________ is considered dangerous for human the body.
(0.5, 1, 25, 50 mA)
Q. The rate of movement of charge in a conductor is known as ___________.
Q. The ampere is the current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section and placed 1 m apart in vacuum, would produce between these conductors a force of ___________ N per metre of length.
Q. ___________ is the force that causes a current to flow.
Q. Voltage across a resistance is called the ___________ .
Q. Voltage is a form of ___________ energy.
Q. 1 V = 1 ___________ per coulomb.
Q. Electric pressure is also called the ___________ .
Q. 1 Volt is equal to 1 joule per ___________ .
Q. The ratio of voltage and current ___________ .
Q. The curve representing Ohm’s law is ___________ .
Q. A linear resistor is one which obeys ___________ law.
Q. For the same dimensions of a conductor its resistance depends upon the ___________ of the material.
Q. Resistance of human body is about ___________ ohm.
Q. If the circuit voltage is reduced to half and the resistance is doubled, the current will become ___________ .
Q. For a fixed supply voltage the current flowing through a conductor will increase when its length is ___________
Q. Elements of electric heaters and filament lamps are made of high resistivity materials. This is done to ___________ the filament length.
Q. The property of a conductor due to which it induces the flow of current through the conductor is called the ___________ .
Q. The diameter of wire is reduced to one half, keeping the length constant. The new resistance will be ___________ times the original value.
Q. If the diameter of the wire is halved, its current carrying capacity will become approximately ___________.
Q. Electrical conductivity is measured in ___________ .
Q. With the rise in temperature the resistance of carbon ___________.
Q. Resistance of carbon filament lamp ___________ with the increase in supply voltage.
Q. Two resistors of 12 ohm and 4 ohm respectively are connected in series. A short is placed across the combination. The effective resistance will be___________.
Q. A series arrangement of n identical resistors is changed into n parallel arrangement. The new equivalent resistance will become of ___________ of the original resistance.
Q. When one leg of a parallel circuit gets opened out, the current drawn from the supply will ___________.
Q. Three resistors, each of R ohms are connected to form a triangle. The resistance between any two terminals will be ___________ ohm.
