GATE ECE 2013 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

In the circuit shown below, if the source voltage V_s =100$$\angle$$53.13⁰V then the Thevenin’s equivalent voltage in Volts as seen by the load resistance R_L is GATE ECE 2013 Network Theory - Network Theorems Question 23 English

GATE ECE 2013 Network Theory - Network Theorems Question 23 English

$$100\angle90^0$$

$$800\angle0^0$$

$$800\angle90^0$$

$$100\angle60^0$$

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

The following arrangement consists of an ideal transformer and an attenuator which attenuates by a factor of 0.8. An ac voltage V_wx1 = 100V is applied across WX to get an open circuit voltage YZ1 V across YZ. Next, an ac voltage V_YZ2 =100V is applied across YZ to get an open circuit voltage V_WX2 across WX. Then, V_YZ1 / V_WX1 , V_WX2 / V_YZ2 are respectively, GATE ECE 2013 Network Theory - Network Theorems Question 22 English

GATE ECE 2013 Network Theory - Network Theorems Question 22 English

125 / 100 and 80 / 100

100 / 100 and 80 / 100

100 / 100 and 100 / 100

80 / 100 and 80 / 100

GATE ECE 2013

MCQ (Single Correct Answer)

-0.6

Two magnetically uncoupled inductive coils have Q factors q₁ and q₂ at the chosen operating frequency. Their respective resistances are R₁ and R₂. When connected in series, their effective Q factor at the same operating frequency is

q₁ + q₂

(1/q₁) + (1/q₂)

(q₁R₁ + q₂R₂)/(R₁ + R₂)

(q₁R₂ + q₂R₁)/(R₁R₂)

GATE ECE 2013

MCQ (Single Correct Answer)

-0.3

The impulse response of a system is h(t) = t u(t). For an input u(t - 1), the output is

$${{{t^2}} \over 2}u\left( t \right)$$

$${{t\left( {t - 1} \right)} \over 2}u\left( {t - 1} \right)$$

$${{{{\left( {t - 1} \right)}^2}} \over 2}u\left( {t - 1} \right)\,$$

$${{{t^2} - 1} \over 2}u\left( {t - 1} \right)$$

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