Maximum transfer of power to a variable load occurs when :

Maximum transfer of power to a variable load occurs when
 
  A) the load and source resistance are equal
  B) at minimum load
  C) the load resistance is much larger than the source resistance
  D) the load resistance is much smaller than the source resistance

Question 2

Harrowing is a secondary tillage operation .
 
  Indicate whether the statement is true or false

Question 3

Primary tillage is conducted at a lower depth than secondary tillage .
 
  Indicate whether the statement is true or false

Question 4

For best results, a soil should be tilled when wet .
 
  Indicate whether the statement is true or false

Question 5

Four equal resistors are connected in series between a 24 -V voltage source and ground. The resistor third from the voltage source (second from ground) has opened. If you were to measure the voltage across the resistor closest to ground, you would get a reading of
 
  A) 6 V B) 24 V
  C) 0 V D) Cannot be determined

Question 6

Log 1/H+ is a measure of ____________.
 
  Fill in the blank(s) with correct word

Question 7

The resistance of a 35 cm length of copper with a cross-sectional area of 0.03 cm2 is
 
  A) 2 m B) 1.08 m C) 20 m D) 2

Question 8

The resistance of a nine inch length of copper that has a diameter of 0.005 in. is
 
  A) 311  B) 311 m C) 3110  D) 75 m