EE GATE 2013 - Online Test
Q1. 
In the figure shown below, the chopper feeds a resistive load from a battery source. MOSFET Q is switched at 250 kHz, with a duty ratio of 0.4. All elements of the circuit are assumed to be ideal
The Peak to Peak source current ripple in amps is
Answer : Option C
Explaination / Solution:
No Explaination.
Q2. Find the sum to n terms of the series 10 + 84 + 734 + …
Answer : Option D
Explaination / Solution:
Using the answer options, substitute n = 2. The sum should add up to 94
Q3. The angle δ in the swing equation of a synchronous generator is the
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. For a periodic signal 
the
fundamental frequency in radians/s is
the
fundamental frequency in radians/s is
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. 
In the figure shown below, the chopper feeds a resistive load from a battery source. MOSFET Q is switched at 250 kHz, with a duty ratio of 0.4. All elements of the circuit are assumed to be ideal
The average source current in Amps in steady-state is
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. The set of values of p for which the roots of the equation 3x2 + 2x p(p-1) = 0 are of opposite sign is
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. The equation 
has
has
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. The Bode plot of a transfer function G(s) is shown in the figure below.
The gain (20 log |G(s)|) is 32 dB and -8 dB at 1 radians/s and 10 radians/s
respectively. The phase is negative for all ω.Then G(s) is
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. A continuous random variable X has a probability density function 
is
is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV windings, he measured loss is 81 W. The transformer has maximum efficiency when operated at
Answer : Option C
Explaination / Solution:
No Explaination.
