Describe each type of item tested in terms of its V vs I being "Ohmic" or not. Use one sentence per item-type tested. Item types tested are Resistors, Coil, Diode, Capacitors, and Light Bulb.
1. Resistors: Resistors are considered ohmic as their V-I relationship follows Ohm's Law, with a constant resistance regardless of the applied voltage.
2. Coil: Coils are not ohmic as their V-I relationship is nonlinear due to the presence of inductance.
3. Diode: Diodes are not ohmic as they exhibit nonlinear V-I characteristics, allowing current flow in one direction with a relatively constant voltage drop.
4. Capacitors: Capacitors are not ohmic as their V-I relationship is nonlinear due to the storage and release of charge over time.
5. Light Bulb: Light bulbs are not ohmic as their V-I relationship is nonlinear and exponential, exhibiting an increasing current as voltage increases until reaching a maximum limit.
To determine whether an item is "Ohmic" or not, you need to observe its voltage (V) versus current (I) relationship. Here are the descriptions for each type of item you mentioned:
1. Resistors: Resistors exhibit an Ohmic behavior, meaning their V vs I relationship is linear, and the resistance remains constant regardless of the applied voltage.
2. Coil: Coils, also known as inductors, do not display an Ohmic behavior as their V vs I relationship is non-linear, and the relationship depends on the rate of change of current, rather than the current itself.
3. Diode: Diodes do not follow Ohm's law as they have a nonlinear V vs I relationship due to their distinct electrical property known as forward voltage drop.
4. Capacitors: Capacitors do not exhibit an Ohmic behavior as their V vs I relationship is nonlinear, and it depends on the rate of change of voltage across the capacitor.
5. Light Bulb: Light bulbs, specifically incandescent bulbs, can be considered Ohmic devices since their V vs I relationship is, to some extent, linear and predictable.
To determine whether an item is Ohmic or not, you would need to measure the V vs I relationship for each item and observe if it follows a linear relationship (Ohmic) or displays nonlinear characteristics.