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BSNL JE-TTA Recruitment Examination Test Paper – VI 1. At a frequency below the resonant frequency series circuit is- a.) Inductive b.) Capacitive c. )Resistive d.)None 2. The electrical conductivity of metals is typically of the order of (Ohm –1 m-1)  a.) 107 b. )105 c. )10-4 d. )10-6 3. The output of a piezoelectric crystal has a. )Low amplitude and low impedance b. )High amplitude and high impedance c. )Low amplitude and high impedanced.)High amplitude and low impedance 4. The time constant associated with the capacitor charging in the circuit shown in the given figure is – a. )6ms b. )10ms c. )15msd.) 25ms 1. 5. The Q factor of an inductor would be higher if it is made of – a.) Thinner wire b.) Longer wire c.) Shorter wire d.) Thicker wire 2. 6. A cavity resonator can be represented by – a.) An LC circuit b.) An LCR circuit c.) A lossy inductor d.) A lossy capacitor 3. 7. Air gap in the iron core of an inductor prevents – a.) Core saturation b). Hysterisis loss c.) Flux leakage...