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Electronics - Voltage and Current

@ : Home > Electronics > Voltage and Current > General Questions

Exercise

"Everything you can imagine is real."
- Pablo Picasso
1. 

What is the color code for a 220 omega.gif 5% resistor?

A. Red, Red, Brown, Gold
B. Orange, Orange, Black, Gold
C. Red, Red, Black, Gold
D. Red, Red, Brown, Silver

2. 

If 60 J of energy are available for every 15 C of charge, what is the voltage?

A. 4 V
B. 60 V
C. 15 V
D. 0.25 V

3. 

An atom's atomic number is determined by the number of:

A. neutrons minus protons
B. protons
C. electrons
D. neutrons

4. 

A voltage will influence current only if the circuit is:

A. open
B. insulated
C. high resistance
D. closed

5. 

Which resistive component is designed to be temperature sensitive?

A. Thermistor
B. Rheostat
C. Potentiometer
D. Photoconductive cell




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