Q. A network is causal if impulse response is zero for t < 0.

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Q. When an alternating current passes through an ohmic resistance the electrical power converted into heat is

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Q. Volume control found on the front panel of television receivers

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Q. A tie set schedule shows

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Q. A constant k band stop filter has cutoff frequencies of 1000 and 4000 Hz. The attenuation will be maximum when frequency is

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Q. The resonant frequency of a series resonant circuit is

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Q. Twelve resistance each 2 ohm are connected to form a cube, one resistance being in each arm of cube. The resistance between any two diagonally opposite comers is

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Q. Choose the correct option (↔ dual).

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Q. The voltage induced in a loop of wire rotating in a strong and steady magnetic field is

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Q. A cut set schedule shows

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Q. The value of current at resonance in series R-L-C circuit is affected by the value of

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Q. Sometimes the rotating devices in a room having fluorescent lamps appear to be any station. This is due to

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Q. A dependent source

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Q. Fourier transform and F(jω) of a signal f(t) has the property

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Q. If f(t) = δ(t), F(s) =

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Q. The voltage drop per ampere-metre of an aluminium conductor is higher as compared to a copper conductor of the same size due to its higher

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Q. In a purely inductive ac circuit, the supply voltage and voltage induced across inductance are equal and opposite at all instants.

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Q. A zinc carbon cell is a primary cell.

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Q. When determining Thevenin's resistance of a circuit

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Q. For a given line voltage, four heating coils will produce maximum heat when connected

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