TE Internal Viva

As per resistor color coding chart, which of the below is correct sequence of colors in descending order of digit value

• Red-Yellow-Blue-Gray

• Gray-Blue-Yellow-Red

• Brown-Yellow-Black-Violet

• White-Red-Green-Brown

Avalanche effect is predominant when breakdown voltage is

• greater than 6V

• less than 6V

• greater than 4V

• less than 4V

Thermistor is ---- type of transducer.

• active, inductive, analog

• passive, resistive, digital

• passive, resistive, analog

• active, capacitive, analog

Output of ---- gates is high when both inputs are high

• AND, NOR, Ex-NOR

• OR, NAND, Ex-OR

• Ex-OR, OR, AND

• Ex-NOR, OR, AND

If digital circuit enables on high to low transition of clock then it is

• negative edge triggered

• positive edge triggered

• low level triggered

• high level triggered

In ---- feedback voltage gain of amplifier -----.

• positive, decreases

• negative, decreases

• negative, increases

• none of these

The ---- angle means the time for which power semiconductor device is ----.

• firing, on

• right, on

• conduction, on

• conduction, off

Output voltage of op-amp 741 when its both inputs are equal is ----.

• 0.3 mV

• 0.7 mV

• 2 mV

• 1 mV

In ---- feedback bandwidth of amplifier ----.

• negative, decreases

• negative, increases

• positive, decreases

• none of these

In 3:8 decoder, output Y5 will be active if inputs

• A0= 1, A1= 1, A2= 0

• A0= 1, A1= 0, A2= 1

• A0= 1, A1= 1, A2= 1

• A0= 0, A1= 1, A2= 1