Measuring electricity is really easy—we're all familiar with electrical units like volts, amps, and watts (and most of us have seen moving-coil meters in one form or another). Measuring magnetism is a little bit harder. Ask most people how to measure the strength of a magnetic field (...
The power in an electric current is equal to the current times the voltage (watts = volts x amps is one way to remember this), so you can see the power in the secondary coil is theoretically the same as the power in the primary coil. (In reality, there is some loss of power ...
This may be an effective power source in the circuit, capable of producing a shock at up to 600 volts and 1 ampere of current (600 watts), but for less than 2 ms. 35×41 @ 266,307 A normal resistor. 34×29 @ 222,358 A normal capacitor. 44×40 @ 130,335 A normal ...
A heating element with a resistance of 45.00 ohms operates on 87.57 volts. What current (in amps) does it draw? Round your final answer to two decimal places. What are Kirchhoff's laws for current and voltage drop for a parallel circuit...
000 watts or 20 amps is exceeded…and there’s no overdraft fee (someone needs to relay this concept to my bank!). The system will wait 20 seconds to reconnect and ensure the energy demands are below the maximum. That wait period allows the homeowner enough time to unplug one or more ...
How does the posting of debit and credits using the double-accounting method impact assets and does it increase or decrease the account? The voltage, V, (in volts) across a circuit is given by Ohm's law: V = IR, where I is the current...
Typical electric bike batteries make about 350–500 W of power (that's about 35–50 volts and 10 amps), which is about a quarter as much as you need to drive an electric toaster. In theory, you could use any kind of battery on a bicycle. In practice, however, you want to use ...
If your kettle were rated at something like 2400 watts (W) and you were using a UK power supply of 240 volts (V), that means the current passing through the element would be 2400 / 240 or 10 amps (A). By household standards, that's a hefty current: in comparison, the little ...