Ratio's and Proportions
A voltage of 120V is measured across a resistor with 24A running through it. State the ratio of Volts to Amps.
What is 5:1
The measure of the amount of substance that something is made of.
What is mass?
Resistance is directly proportional to this property of a wire.
What is length?
A person on earth has a mass of 80 kg, what is their mass on the moon?
What is 80 kg?
The device that produces emf by applying heat to a hot junction.
What is a thermocouple or thermopile?
The slope of a roof whose length is 12' and height is 8' (in its simplest form)
What is 2:3
An attempt to cause a change in relative motion of an object.
What is Force?
Resistance is inversely proportional to this property of a wire.
What is Area?
What is the weight of a 14 kg roll of cable?
What is 137.3 Newtons?
The amount of voltage produced when a force of 2KN is applied to a quartz crystal.
What is 12,500V?
A first year made $880 for a week's work. How much will a second year make for the same amount of work?
What is $1056
The equivalent of 1 coulomb x 1 volt.
What is 1 Joule?
The resistance value per 1000m of a #10 AWG wire.
What is 3.27Ω?
The amount of horse power required to lift a 253.5kg transformer to a height of 3m in 1/3rd of a minute.
What is 0.5 hp?
The name of the part on a generator that makes DC power possible.
What is the commutator?
A 15cm gear rotates at 500 RPM. What is the size of a connected gear that rotates at 3750 RPM?
What is 2cm?
The faster something moves, the higher the measured ________.
What is Power?
To convert a resistance value per meter for a #10 to a #12, a multiplier of _______ must be applied ______ time(s).
What is 1.26 and 2?
What is the output power of a 1200W, 110V heater when connected to a 120V source?
What is 1428W?
The specific gravity measured when you should recharge your battery with sulfuric acid.
What is an S.G. of 1.210?
A car travels 110 km/h and covers a distance of 180 km. How far will a second car travel during the same time going 82.5 km/h?
What is 135 km?
An electrician in a boom lift, up 60' is an example of this type of energy.
What is potential?
A conductor measures 0.775" in diameter, what is the Kcmil size?
What is 600 Kcmil?
What is the cost to operate a 1/8hp disco ball for 6h/night when energy costs 9.23¢/kWh?
What is $0.05?
The terminal voltage of a car battery is 12 V. When connected to a 20A load, it drops to 11.4. Determine the internal resistance of the battery.
What is 0.03Ω?