The frequency of a circuit consisting of a capacitance C and a resistor R is ??
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An inductor may store energy in ??
Addition of vector obeys ??
A 10Ω electric heater is connected to a 220V 50Hz mains supply. What is the peak value of the potential difference across the heater element ??
The direction of a vector in space is specified by ??
A choke is used as resistance in ??
A vector can be multiplied by a number. The number maybe ??
At resonance the value of the power factor in an L-C-R series circuit is ??
Unit vector n^ is along ??
An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is ??
An inductive coil has a resistance of 100Ω. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45Ω. What is the inductance of the coil ??