Modstand

Where does wind resistance occur?
What causes wind resistance? What Causes Air Resistance? Also known as 'drag,' air resistance is a force caused by air. The air particles hit the fron...
Angiv hvordan kredsløbsmodstand og spænding kan måles?
Hvordan måler man spænding og modstand i et kredsløb? Spænding måles i volt, symboliseret med bogstaverne E eller V. Strømmen måles i ampere, symbolis...
Why does the value of R in an electric circuit changes when the circuit is left on for a long time?
How does r affect the current in a circuit? R=resistance In other words, the current is directly proportional to the voltage and inversely proportiona...
Hvad er den bedste metode til at kontrollere for uønsket modstand i et kredsløb?
Hvad er den mest effektive måde at kontrollere for modstand i et kredsløb? Den mest almindelige og enkleste måde at måle modstand på er med et digital...
Why do car designers like to reduce air resistance on cars?
Why are cars designed to be aerodynamic? Its main goals are reducing drag and wind noise, minimizing noise emission, and preventing undesired lift for...
What affect does air resistance have on cars?
How does air resistance affect cars? Cars are slowed down when they stir up the air too much. Stirring up the air creates vortices and billows that ta...
What is air resistance on a car?
Does air resistance affect car speed? Aerodynamic Drag is a force which the oncoming air applies on a moving body. It is the resistance offered by the...
How do racing cars reduce air resistance?
How do race cars reduce air resistance? Modern vehicle design techniques that help reduce air resistance include, in addition to the smoothness of the...
What does 0 ohms indicate?
Does 0 ohms mean continuity? An ohmmeter is used to measure the resistance to electrical flow between two points. To say there is no continuity means ...