The voltage required to create a flow of 0.3 C in 0.6 s through a resistance of 500 Ω is: 100 V200 V250 V300 V

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When 2 V is applied in a circuit, a current of 2 µA flows through it. The conductance of circuit is: 0.5 µmho1 µmho2 µmho5 µmho

A nichrome wire used as heater coil has resistance of 2 Ω/m. For a heater of 2 kW at 200 V, the length of wire required is: 1 m2 m5 m10 m

The filament of incandescent electric bulb is made of: NickelSteelTungstenAluminum

The resistance of human body is about: 1 Ω10 Ω100 Ω1000 Ω

An electron moves in a circle of radius 10 cm with constant speed of 6*10^6 m/s. Electric current at a point on circle is: 1.10 * 10-12 A1.47 * 10-12 A1.52 * 10-12 A1.69 * 10-12 A

Certain resistor develops 1000 J of thermal energy in 10 s when a current of 10 A is passed through it. The resistance of resistor is: 0.5 Ω1 Ω2 Ω5 Ω

As temperature of metallic resistor is increased, the product of its resistivity and conductivity: IncreasesDecreasesRemains constantMay increase or decrease

Two resistors X and Y having resistance value Rx and Ry having resistivities ρx and ρy. If Rx < Ry, then: ρx = ρyρx < ρyρx > ρyInsufficient data

A resistor having color coding: Brown Black Red will have resistance: 1 kΩ ± 10%1 kΩ ± 20%2 kΩ ± 10%2 kΩ ± 20%