Question
Reason (R): Operator 'a' has a value 1 ∠ 120°.
a.
Both A and R are true and R is correct explanation of A
b.
Both A and R are true and R is not the correct explanation of A
c.
A is true but R is false
d.
A is false but R is true
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Assertion (A): Operator has a value 1 ∠ - 90° or 1 ∠ 90°. Reason (R): Operator 'a' has a value 1 ∠ 120°.
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The maximum current and voltage ratings for a 0.5 W, 10 kW resistor are
View solution
Q. The network has 10 nodes and 17 branches. The number of different node power voltages would be
View solution
Q. Two capacitor of 1 F each are connected in parallel. Another 1 F capacitor is connected in series with the parallel combination. The total capacitance is
View solution
Q. The realization of the term Ks yields
View solution
Q. If operator 'a' = 1 ∠120° then (1 - a²) =
View solution
Q. If A = 3 + j1 and B = 4 + j3, A + B =
View solution
Q. When a constant voltage source and constant current source are in series, the current source is ineffective.
View solution
Q. A system has transfer function 10/(s+1)(s+2). The dc gain is
View solution
Q. In a series RLC circuit, the current at resonance is I₀ the total energy stored in the circuit at resonance is
View solution
Q. If J, I and a denote current density, current and area of cross section of a conductor, then
View solution
Q. If A = 3 + j1, A⁴
View solution
Q. The sum of positive real functions
View solution
Q. Twelve 1 Ω resistance are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is
View solution
Q. A parallel RLC circuit has ω₀ = 10⁶ and Q = 30, Given C = 30 pF, the value of R is
View solution
Q. Three identical coils each having self inductance L are connected in series so that the fluxes of all the three are in the same direction. If mutual inductance between each pair of coils is M, the total inductance of the arrangement is
View solution
Q. In a resistive ac circuit, the current __________ the voltage by __________ .
View solution
Q. When two coupled coils of equal self inductance are cormected in series in one way the net inductance is 12 mH and when they are connected in the other way the net inductance is 4 mH. The maximum value of inductance when they are connected in parallel is
View solution
Q. An R-L series circuit is excited by a voltage v(t). The circuit was initially relaxed. Which of the following sources of v(t) would cause maximum current at t = 0+?
View solution
Q. Power is drawn from a source at power factor 0.7. Pav = 300 watt. The reactive power is
View solution
Q. Two capacitors each of capacitance C and breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination is
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!