A complex number

A real number

An imaginary number

A whole number

**The impedance in the study of electronics is represented by resistan****Which of the following does not affect resistance?****A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…****The unit of elastance is****What is the most convenient way of achieving large capacitance?****In an ac circuit with XL and R in seriesa the****The voltage cannot be exactly in phase with the current in a circuit that contains****Rationalizing the denominator of a complex number means****In a circuita an active element is one which****The electric field strength between capacitor plates has a unit****Liquids that are good conductors because of ionization are called****A neon glow lamp used as a night light ionizes at approximately****The potential gradient in a cable is maximum in****A series RLCcircuit has a ______ power factor at its half-power points****What is the specific resistance of a pure silicon?****When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…****At parallel resonancea the currents flowing through L and C are****When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…****The ratio between the active power and the apparent power of a load in an ac circuit is called****Which of the following materials has the lowest dielectric strength?****What is the efficiency under the conditions of maximum power transfer?****When two pure sine waves of the same frequency and the same amplitude which are exactly 180Û outof-phase…****In the 5-band method of capacitor color codinga the first band indicates****The presence of an electric current is made known by****A series-parallel combination of identical resistors will****A trimmer is a variable capacitor in which capacitance is varied by changing the****A capacitor of 0.5 F charged to 220 V is connected across an uncharged 0.5 F capacitor. What is the…****The capacitor opposes any change in voltage across it by****If a capacitor is rated for 200V dca what is its effective ac working voltage?****The reason why electrical appliances are connected in parallel.**