GATE EE 2005 | GATE EE Year Wise Previous Years Questions

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GATE EE 2005

MCQ (Single Correct Answer)

-0.3

If $$P$$ and $$Q$$ are two random events, then which of the following is true?

Independence of $$P$$ and $$Q$$ implies that probability $$\,\,\left( {P \cap Q} \right) = 0\,\,$$

Probability $$\,\,\left( {P \cap Q} \right) \ge \,\,$$ probability $$(P)$$ $$+$$ probability $$(Q)$$

If $$P$$ and $$Q$$ are mutually exclusive then they must be independent

Probability $$\,\,\left( {P \cap Q} \right) \le \,\,$$ probability $$(P)$$

GATE EE 2005

MCQ (Single Correct Answer)

-0.3

The output voltage waveform of a three - phase square-wave inverter contains

only even harmonics

both odd and even harmonics

only odd harmonics

only triple harmonics

GATE EE 2005

MCQ (Single Correct Answer)

-0.6

The given figure shows a step $$-$$ down chopper switched at $$1$$ $$KHz$$ with a duty ratio $$D = 0.5.$$ The peak - peak ripple in the load current is close to GATE EE 2005 Power Electronics - Choppers and Commutation Techniques Question 30 English

GATE EE 2005 Power Electronics - Choppers and Commutation Techniques Question 30 English

$$10$$ $$A$$

$$0.5$$ $$A$$

$$0.125$$ $$A$$

$$0.25$$ $$A$$

GATE EE 2005

MCQ (Single Correct Answer)

-0.6

Consider a phase $$-$$ controlled converter shown in figure The thyristor is fired at an angle $$\alpha $$ in every positive half cycle of the input voltage. If the peak value of the instantaneous output voltage equals $$230$$ $$V,$$ the firing angle $$\alpha $$ is close to GATE EE 2005 Power Electronics - Single and Three Phase Rectifier Question 37 English

GATE EE 2005 Power Electronics - Single and Three Phase Rectifier Question 37 English

$${45^ \circ }$$

$${135^ \circ }$$

$${90^ \circ }$$

$${83.6^ \circ }$$

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