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What is the significance of negative values of voltage and current?
What is the significance of negative values of voltage and current?Negative values show direction and that is the significance
What is the current when a 12 volt battery is connected through a resistance of 25 ohms?
The current flowing through the circuit can be calculated using Ohm's Law: I = V/R, where I is the current, V is the voltage (12 volts), and R is the resistance (25 ohms). Plugging in the values, the current would be 0.48 amperes.
How much power is used by a 6 Volt battery that draws 0.5 A of current?
The power used by the battery can be calculated using the formula P = V x I, where P is power, V is voltage (6V), and I is current (0.5A). Substituting the values, the power used by the battery is P = 6V x 0.5A = 3 Watts.
What is a number in which two values are compared?
Inequality
What does 7.2V 4400mAh mean?
The specification 7.2V 4400mAh refers to a battery's voltage and capacity. The "7.2V" indicates that the battery operates at a nominal voltage of 7.2 volts, which is common for rechargeable batteries like NiMH. The "4400mAh" (milliamp-hours) indicates the battery's capacity, meaning it can deliver 4400 milliamps of current for one hour, or a lower current for a longer duration. Together, these values help determine how long the battery can power a device before needing to be recharged.
How is a simple ohmmeter constructed?
A simple ohmmeter is constructed using a battery, a galvanometer, and a set of resistors. The battery supplies a constant voltage, while the galvanometer measures the current flowing through the circuit when a resistor is connected. The resistance is calculated using Ohm's Law (R = V/I), where V is the battery voltage and I is the current indicated by the galvanometer. The device may also include a scale or a dial to provide a direct reading of resistance values.
How much power is used by a 12- Vcar battery that draws 0.5 A of current?
The power used by the car battery can be calculated using the formula P = V x I, where P is power, V is voltage, and I is current. Plugging in the values, we get P = 12 V x 0.5 A = 6 watts. Therefore, a 12V car battery that draws 0.5A of current uses 6 watts of power.
Where can one see the current values of gold?
You can see the current values of gold online at the Kitco website. On this website, you can also see the current value of silver, platinum and other metals.
What is the value of your h r 32caliber revolver model 732?
50 or so in poor condition. Current retail values for an excellent example is closer to $165 +/- $25 depending upon location.
Does the current remains the same in a series circuit despite the different values if the resistors in the circuit?
current in series depends on values of resistors. more resistance less current will flow through and viceversa
What is the unit of the resistors?
Resistor values are given in ohms. A value may be selected to deliver a specific current at a given voltage. This is given in what is known as Ohm's Law where: Voltage (V) = Current (A) X Resistance (Ohm) A 12ohm resistor placed across a 12V battery would pass 1Amp of current and put out 12W of heat.
What does reversing the direction of the electron flow in the battery do?
The voltage measured across every component in the circuit would take on the opposite polarity from what it was originally. If there are any diodes in the circuit, then current might stop flowing in some branches where it formerly existed, or start flowing in branches where there was no current before.
