Electric Theory/ Components

Question 1

What is the formula for Ohm’s Law?

Answer 1

E = I x R

Question 2

What is the value of a resistor that has a brown, black, orange, and gold band?

Answer 2

10k Ohms +/- 5%

Question 3

What is the total resistance of a 5 ohm, 10 ohm, and 20 ohm resistor in series?

Answer 3

35 Ohms

Question 4

What is a decibel?

Answer 4

Ratio between 2 levels

Question 5

What is the dB gain of amplifier that has 5 watts input and 20 watts output?

Answer 5

6.02

Question 6

What is the gain of amplifier that has 5 volts input and 20 volts output?

Answer 6

12.04

Question 7

What circuit type has the same amount of current flow through every element?

Answer 7

Series Circuit

Question 8

What circuit type has the same voltage drop through every element?

Answer 8

Parallel

Question 9

Three times the power is how many dB gain?

Answer 9

4.5

Question 10

What is the third harmonic of 150 Mhz?

Answer 10

450 Mhz

Question 11

What is the power level in dBm of a 100 watt output transmitter?

Answer 11

50

Question 12

What is the 3rd harmonic of a transmitter operating on 150.500 MHz?

Answer 12

451.500 Mhz

Question 13

What is the transmission line loss (in dB) if only 50 watts reaches an antenna from a 100-watt transmitter?

Answer 13

-3.01

Question 14

If a transmitter has 150 watts of output power, and the input power is 300 watts, what is the efficiency of that transmitter in percent?

Answer 14

-50%