How do you restrict current in a circuit?

Current limiting components

1. Fuse and Resistors. These are used for simple limiting of current.
2. Circuit Breakers. Circuit breakers are used to cut off power just like the fuse, but their response is slower and might not effective for sensitive circuits.
3. Thermistors.
4. Transistors and Diodes.
5. Current limiting diodes.

How do you calculate Vout in a circuit?

Vout= (Vin x R2) / (R1 + R2)

1. Vin is the input voltage.
2. R1 is the resistance of the 1st resistor,
3. R2 is the resistance of the 2nd resistor,
4. Vout is the output voltage.

How do you protect an overcurrent circuit?

Plug-in fuses are used to protect a circuit board from overcurrent conditions. A glass fuse can be used as a plug-in fuse or in a fuse holder.

What is Vout in a circuit?

Vout is our divided voltage. That’s what’ll end up being a fraction of the input voltage. The Equation. The voltage divider equation assumes that you know three values of the above circuit: the input voltage (Vin), and both resistor values (R1 and R2).

How can you have voltage but no current?

There can be voltage without a current; for instance if you have a single charge, that charge induces a voltage in space, even if it’s empty. Voltage, in the most physical way, is a scalar field that determines the potential energy per unit charge at every point in space.

What is the current through a 5 ohm resistor if the voltage across it is 10v?

Explanation: 10/5= 2 Current =2 amperes.

How do you calculate current input?

The factors that determine input current are output power, input voltage, and converter efficiency. Power = Voltage x Current. Efficiency = Power Out / Power In. If you know the converter’s efficiency at the voltage and power it is operating at then calculating the input current is trivial.

How can I explain the two voltages of a circuit?

One way I’ve found helpful to students is to envision the two voltages (V A and V B) as heights of objects, asking the question of “How much height difference is there between the two objects?” The height of each object is analogous to the voltage dropped across each of the lower resistors in the voltage divider circuits.

How to design a voltage divider circuit?

The first step in voltage divider design is to define the output voltage. Like, for which voltage level you want to design the divider circuit. Mostly, the divider circuit is used for voltage reference. Let say we want a reference voltage of 3.3V for our application, then 3.3V is our required output for the divider circuit.

Is it possible to design a circuit with two unknown resistor values?

All we left is with the two unknown resistor values. This is a fun task. In theory, you can design any voltage divider circuit, but in reality, you are limited. You can’t choose random resistor values, because these values must be available in the market to practically implement the circuit, i.e. they must be standard values.

What voltage should the microcontroller be set at?

Most microcontrollers operate at 5V while some sensors can only accept a maximum voltage of 3.3V. Naturally, you want to level the voltage from the microcontroller down to avoid damage to the sensor.