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1) According to the linear graph theory, the number of possible trees is always equal to the determinant of product of ______ a. Only complete incidence matrix b. Reduced incidence matrix & its transpose c. Cut-Set matrix d. Tie-set matrix
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2) If a differential equation is said to be homogeneous, what would be the value of a forcing function? a. 0 b. 1 c. ∞ d. -1
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3) Which elements behave as an open circuit especially under the consideration of d.c. quantities? a. Inductors b. Resistors c. Capacitors d. All of the above
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4) What would be the value of power factor for series RLC circuit under the resonance phenomenon? a. 0 b. 0.5 c. 1 d. Infinity
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5) Which among the following get/s cancelled under the resonance condition in a.c. circuits, if inductive and capacitive reactances are in parallel? a. Reactance b. Susceptance c. Resistance d. All of the above
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6) Reactance curve is basically a graph of individual reactances verses __________ a. Frequency b. Phase c. Amplitude d. Time period
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7) Which type of impedance in asymmetrical network is estimated at a single pair of network terminals especially in the chain of infinite networks? a. Image impedance b. Iterative impedance c. Characteristic impedance d. All of the above
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8) Where do the 'correctly terminated asymmetrical networks' show termination at both the ports of network? a. In image impedances b. In iterative impedances c. In characteristic impedances d. All of the above
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9) Which unit is used for the measurement of an insertion loss? a. Neper b. Weber c. Ohm d. Watt
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10) Which type of attenuators provide a fixed amount of attenuation by allowing the user to vary the attenuation in multiple steps? a. Ladder attenuators b. Variable-value attenuators c. Pad attenuators d. All of the above
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