Electronics

1. 1. B2CD, _____, BCD4, B5CD, BC6D

        

• B2C2D

•    BC3D

• B2C3D

• BCD7

4.Decimal number 10 is equal to binary number

• 1110

  
  

• 1010

• 1001

• 1000

To prevent a DC return between source and load, it is necessary to use

_______ between source and load

• resistor

• inductor

• capacitor

• either (a) or (b)

The output will be a LOW for any case when one or more inputs are zero in a(n):

• OR gate

  
  

• NOT gate

  
  

• AND gate

  
  

• NAND gate

  
  

the element that has the biggest size in a transistor is_______

• collector

• base

  
  

• emitter

• collector base junction

what is the power in the given circuit

• 3.6W

• 35W

• 175W

• 245W

In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?

• 24

• 47

• 176

• 12

The basic logic gate whose output is the complement of the input is the:

• OR gates only

  
  

• AND gate

  
  

• Inverter

• Comparator

  
  

if doubling the voltage across a resistor doubles the current through the resistor then

• the resistor value is decreased

• the resistor value did not change

• the resistor value is increased

• it is impossible to determine the change in the resistor value

Which of the boxes comes next in the sequence?

• 
• 
• 
•