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*Look at the simple circuit illustrated in Figure A-2. What will happen when only switch S1 is closed?

Correct Answer= "Nothing will happen-the light bulb won't light up."

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If there is a load in the circuit the load will operate. If there is no load in the circuit and it is complete then a short circuit will occur and something in the circuit will burn open. If the circuit is complete and there is a fuse or breaker in the circuit, then the fuse or breaker will open the circuit.

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Related Questions

if load is wired in a circuit that has multiple switches in series with it What conditions must be present in order for the load to be energized?

In order for the load to be energized in a circuit with multiple switches in series, all the switches must be closed or in the &quot;on&quot; position. This is because switches in series function like an &quot;AND&quot; gate in digital logic, requiring all inputs to be true for the output to be true. If any one of the switches is open or in the &quot;off&quot; position, the circuit will be open and the load will not receive power. Therefore, all switches must be closed to complete the circuit and energize the load.


Why must a circuit be closed in order for a current to flow?

A circuit must be closed in order for a current to flow because it helps keep a current flow pass. When the switch is closed on a circuit there is a constant flow. When the switches open the flow is disturbed around the circuit.


How do switches affect open and closed circuits?

Switches control the flow of electric current in a circuit. In an open circuit, the switch is off, interrupting the flow of current. When the switch is closed in a closed circuit, it allows the current to flow continuously through the circuit.


Electricity will flow only if an electrical circuit is?

if an electric circuit has potential difference. Electricity will flow only if an electrical circuit is closed.


When the switch is closed the circuit makes a?

Complete circuit.


Is a closed circuit exactly like a complete circuit?

A closed circuit is a circuit where current can flow because it forms a continuous path, while a complete circuit is a closed circuit that includes all necessary components like a power source, load, and conductive path. So, a closed circuit can be a complete circuit if it has all the necessary components connected together.


How does closed circuit work?

A closed circuit works by having electricity flow in a complete circuit or circle or any closed shape.


When switches are connected in series mention whether the switches are dependent on each other to turn the lamp on?

When switches or any circuit opening devices are in series with each other, they all have to be in the closed position to energize the load.When switches or any circuit opening devices are in parallel with each other, any one of the switches or circuit opening devices in the closed position will energize the load.


What is the term for a complete electrical path?

The term for a complete electrical path is a circuit. It consists of a closed loop that allows current to flow from a power source to a load and then back to the power source. A circuit can include components such as wires, switches, resistors, and capacitors.


What happens to an electric current when a circuit is closed?

When a circuit is closed, meaning there is a complete path for the electric current to flow, the current will flow from the positive terminal of the voltage source through the circuit components and back to the negative terminal. This flow of current allows electrical energy to be transferred and work to be done in the circuit.


The combination of telephone lines and the closed switches that connect them to each other is called?

Circuit


Why was a switch made?

A switches main purposes is to stop the current flow in a closed circuit.