An electric charge could be transmitted through
An electric charge could be transmitted through A. wood, rubber and stone B. paper, clay and plastic C.…
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a guitar string is 75cm long. the wavelength of its fundamental note is
a guitar string is 75cm long. the wavelength of its fundamental note is A. 75cm B. 150cm C.…
The electric supply from Kainji Dam is transmitted at high voltages of the order hundreds…
The electric supply from Kainji Dam is transmitted at high voltages of the order hundreds of kilovolts but…
Every house supplied with electricity is provided with a box of fuses so that
Every house supplied with electricity is provided with a box of fuses so that A. the consumption of…
On an a.c generator, which of the following does not apply?
On an a.c generator, which of the following does not apply? A. field magnet B. commutator C. armature…
Why is it impossible for the lines of force of an electric field to cross…
Why is it impossible for the lines of force of an electric field to cross one another? A.…
A potential difference of 6v is used to produce a current of 5A for 200s…
A potential difference of 6v is used to produce a current of 5A for 200s through a heating…
In a D.C. circuit, a 10 microfarad (mf) capacitor is placed in series with a…
In a D.C. circuit, a 10 microfarad (mf) capacitor is placed in series with a 10 0hm resistor.…
In order to convert a galvanometer into an ammeter
In order to convert a galvanometer into an ammeter A. a low resistance shunt is connected in parallel…
A magnet is moved through a coil of wire. The e.m.f. produced in the wire…
A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on A.…