Test 117

Which one of the following is not possible in an electric circuit?

• 2. Current and no voltage

• 1. Voltage and no current

• 1. No voltage and no current

• 1. Voltage and current

Which one of the following is not a type of energy source?

• 1. Battery

• 2. Solar Cell

• 1. potentiometer

• 2. Generator 

The unit of energy is the?

• 1. Watt 

• 1. Coulomb 

• 1. Voltage

• 2. Joule 

Potential difference in another term for Potential

• Charge

• 1.   

     Voltage 

• Energy  

• Distance of an electron term

The Charge on a single electrons is 

• 2. 1.6  x 10^-19 C

•  

  1. 6.25 x 10^-18 C

• 2. 3.14 x 10^-6 C

• 1. 1.6 x 10-^-19 J

When placed close together a positively charged material and a negatively charged material will?

• 1. 1. Repel

• 1. Attract 

• 1. Exchange charges

• 2. Becomes neutral 

Materials in which there is no current when voltage is applied are called

• 2. Semiconductors

• 1. Filisters

• 1. Conductors 

• 1.  

  2. Insulator's 

Electron orbits are called

• waves

  
  

• valences

  
  

• 
  nuclei

  
  

• 
  shells 

  
  

A neutral atom with  an atomic number of three how many electrons?

• 
  

  1. 1

• 2. 3

• 2. None

  3.  

• 2. Depends on the type of atom 

Express each quantity in engineering notation 5uA 43mV 275 k Ohms 10 MW

• 1. 5 µA (microamperes): ( 5 \times 10^{-6} ) A

  2. 43 mV (millivolts): ( 43 \times 10^{-3} ) V

  3. 275 kΩ (kiloohms): ( 275 \times 10^{3} ) Ω

  4. 10 MW (megawatts): ( 10 \times 10^{6} ) W

• 1. 5 µA (microamperes): ( 5 \times 10^{-3} ) A

  2. 43 mV (millivolts): ( 43 \times 10^{6} ) V

  3. 275 kΩ (kiloohms): ( 275 \times 10^{-3} ) Ω

  4. 10 MW (megawatts): ( 10 \times 10^{-9} ) W

  
  

• 1. 5 µA (microamperes): ( 5 \times 10^{3} ) A

  2. 43 mV (millivolts): ( 43 \times 10^{-6} ) V

  3. 275 kΩ (kiloohms): ( 275 \times 10^{9} ) Ω

  4. 10 MW (megawatts): ( 10 \times 10^{-3} ) W

• NONE