The mathematical relationship between

voltage, current and resistance is known as

(1) the law of charges

(2) the law of currents

(3) Coulomb's law

(4) Ohm's law

Consider a steady-state experiment in which the observed current due to reduction of Ox to R is 85 mA/cm2.

A steel alloy is known to contain 93.8 wt% Fe, 6.0 wt% Ni, and 0.2 wt% C. Assume that there are no alterations in the positions of other phase boundaries with the addition of Ni. (a) What is the approximate eutectoid temperature of this alloy

A 21-mm-diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 109 MPa when one end is twisted through an angle of 15°, what must be the length of the bar?

True or False: A cracked windshield and a dislodged hood that flies up are examples of situations in which a driver can experience loss of forward vision.

What is the ratio of the number of power strokes in the two-stroke cycle divided by the number of power strokes in the four-stroke cycle at a given value of engine revolutions per minute?

If a law enforcement officer stops a vehicle for a traffic violation and finds a front-seat passenger 18 years of age or older not wearing a safety belt, a safety belt violation will be charged to: The front-seat passenger Neither the driver nor the

The input power for a thermostat is wired to the A. R b. G c. W d. Y

What standard feature is on all circular saws? 1. Blade guard 2. Blade-height adjustment 3. Angle-of-cut adjustment 4. All of the above

Write a program that prints, line by line, the numbers from 1 to 100. For multiples of three print the word "Cow" instead of the number and for the multiples of seven print "Pie" instead of the number.

Always refill your gas tank well before A. You reach your destination B. Your indicator light goes on C. Your fuel gauge reaches half empty D. Your fuel gauge reaches one-quarter full