What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value________ ?

A. reduces load handling capability of electrical system
B. results in more power losses in the electrical system
C. overloads alternators, transformers and distribution lines
D. results in more voltage drop in the line
E. results in all above

A. falls to 36.8% of its final steady value
B. rises to 38.6% of its final steady value
C. rises to 63.2% of its final steady value
D. none of the above

A. electronic equipment
B. transformers
C. current transformers
D. auto transformers

A. low
B. very low
C. high
D. very high

A. a line which represents the magnitude and phase of an alternating quantity
B. a line representing the magnitude and direction of an alternating quantity
C. a coloured tag or band for distinction between different phases of a 3-phase supply
D. an instrument used for measuring phases of an unbalanced 3-phase load

A. will change the maximum value of current at resonance
B. will change the resonance frequency
C. will change the impedance at resonance frequency
D. will increase the selectivity of the circuit