High School Physics

# DC Circuits – Hub of related Posts

Here goes the list of our posts on DC Circuits and related topics and subtopics.

#### Factors affecting the capacitance of a parallel-plate capacitor – detailed revision notes

In this post, we will discuss different factors that affect the capacitance of a parallel-plate capacitor. The greater the capacitance of a capacitor the greater the charge held by it ...

#### Measuring the resistance of a component – different ways

In this post, we are going to discuss different ways of measuring the resistance of a component. Resistance is defined as R = V/I. This obviously gives ways of measuring ...

#### How to find resistance using Resistor Colour Codes

Small resistors use coloured or painted bands which represent their resistive value and tolerance. These coloured painted bands produce a system of identification generally known as a Resistors Colour Code ...

#### How does alternating current differ from direct current?

In this post, we will find out the answer to a very common question: "How does alternating current differ from direct current?" Direct current implies that the current flows in ...

#### Ammeter and Voltmeter – definition & connection

Ammeters measure the current of a circuit, and voltmeters measure the voltage drop across a resistor. Ammeters and voltmeters are cleverly designed because it is important in the design to ...

#### Capacitors & Capacitance

Capacitors are components of electrical circuits that temporarily store electric charge. Capacitors are simple passive devices. The capacitor is a component that has the ability or "capacity" to store energy ...

#### [pdf notes] Electric Circuits Grade 10 & Grade 11 Notes download | class 10 & class 11 physics notes on Electric Circuits

This Electric Circuits Notes [PDF download] is primarily for the 10th & 11th grade physics syllabus of different international boards. This also covers the class 10 and class 11 physics ...

#### Potential divider

Sometimes we want to use only part of the e.m.f. of a supply. To do this, we use an arrangement of resistors called a potential divider circuit. In other words, ...

#### Internal Resistance of a Cell

What is the Internal Resistance? | Define the internal resistance of a cell All electric cells are made of materials that have resistance. The resistance of the cell is called ...

#### How to define Voltages, Electromotive Force (emf), and Potential Difference (PD)?

Voltages, Electromotive Force (emf), and Potential Difference (PD) - These 3 terms are often used while we discuss electrical circuits. Hence exactly knowledge about these certainly helps us to understand ...

#### Symbols & functions of Common components of electrical circuits – How to get?

Figure 1 below presents 17 circuit symbols for a variety of circuit components like cell, battery, switch open, switch closed, ammeter, voltmeter, motor, resistor, thermistor, fuse, diode, LED (Light Emitting ...

#### Voltages in series circuits and parallel circuits – easy understanding

Voltages in series circuits and parallel circuits - Let's see how total voltage in series circuits and parallel circuits are calculated. Voltages in series circuits A series circuit has no ...

#### How current flows through series and parallel circuits? A quick reference

Here we will see how current flows through series and parallel circuits. Currents in series circuits In a series circuit, devices are connected so there is only one closed path ...

#### Simple Parallel circuit, Equivalent resistance in a parallel circuit with derivation & numerical problems

In this post, we will study a simple parallel circuit. Then we will derive the equivalent resistance formula in a parallel circuit. Using this formula, we will solve numerical problems ...

#### Series Circuits, Resistors in series & equivalent resistance formula & numerical

In this post, we will study simple series circuits with the help of a series circuit diagram. We will also go through related topics like resistance in series or resistors ...
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