0
What else can I help you with?
What is the driving force for the flow of electricity in battery's?
The driving force for the flow of electricity in a battery is the potential difference, or voltage, between the positive and negative terminals. When a circuit is connected, this voltage pushes electrons from the negative terminal to the positive terminal, creating an electric current.
Can you tell if an object has a positive or negative charge with a electroscope?
Yes, an electroscope can determine if an object has a charge, but it cannot distinguish between a positive or negative charge. If the object causes the electroscope's leaves to diverge, it indicates the presence of a charge on the object. Further experiments or additional methods are required to determine the polarity of the charge.
What is the driving force for the flow of electrons in battries?
The driving force for the flow of electrons in batteries is the potential difference, or voltage, created between the positive and negative terminals. This potential difference causes the electrons to move from the negative terminal (anode) to the positive terminal (cathode), creating an electric current.
What happens in a battery's negative terminal when it is not part of a circuit?
When a battery's negative terminal is not connected to a circuit, it accumulates excess electrons, creating a negative charge. This creates a potential difference between the positive and negative terminals, which is the driving force for the flow of electric current when the battery is connected to a circuit.
What is the driving force for the flow of elections in batteries?
The driving force for the flow of elections in batteries is the difference in electrical potential between the positive and negative terminals. This potential difference, known as voltage, creates an electric field that causes electrons to flow from the negative terminal to the positive terminal, generating an electric current.
It has a potential difference between the positive and negative terminals?
It is a battery.
What is the difference between U1R-7 and U1P-7 batteries?
Negative and positive terminals are reversed.
Because it has a potential difference between the positive and negative terminals what can act as an electron pump?
A battery has a potential difference between its terminals due to a build-up of charge separation (positive and negative terminals). This potential difference can act as an electron pump by causing the flow of electrons from the negative terminal to the positive terminal through an external circuit, thereby generating electrical energy.
Distinguish between a cation and a anion?
A cation is a positive ion (as Na+). An anion is a negative ion (as Cl-).
On the basis of gram reaction only can you distinguish between staphylococcus and streptococcus?
If the Gram stain is properly done, and based on color alone: - you CANNOT distinguish between Staphylococcus (positive/purple) and Streptococcus (positive/purple) - you CAN distinguish between Staphylococcus (positive/purple) and Neisseria (negative/red) - you CANNOT distinguish between Escherichia (negative/red) and Proteus (negative/red) - you CAN distinguish between Escherichia (negative/red) and Bacillus (positive/purple) Gram positives will stain purple because of the retention of the dye (crystal violet) in their thick peptidoglycan cell walls. On the other hand, Gram negatives have a thin cell wall and cannot retain the purple stain, so when they are counterstained, they will appear red
Why is important to distinguish between Gram-positive and Gram-negative bacteria in diagnosing a bacterial infection?
gram- negative and gram- positive bacteria differ in their response to different antibiotics
What is the relationship between the anode, cathode, positive, and negative terminals in an electrical circuit?
In an electrical circuit, the anode is the positive terminal and the cathode is the negative terminal. The flow of electric current goes from the anode to the cathode.
How is carbon zinc dry cell produces a voltage difference between the positive and negative terminals?
In a carbon-zinc dry cell, there is a chemical reaction between the zinc container (acting as the anode) and the electrolyte paste inside. This reaction generates electrons at the anode and releases them to the terminal, creating a surplus of electrons at the negative terminal and a deficit at the positive terminal, thus producing a voltage difference between the terminals.
What happens when you stick two 9 volt batteries together?
If you connect positive to positive and negative to negative you will have a 9V battery with twice the current capacity in milliampere hrs than a single batteries. The load then goes between positive and negative paralleled terminals. If you connect one negative of one battery to one positive of the other battery and put the load between the remaining negative and positive terminals you have created an 18 V battery with the same milliampere hr rating as a single battery. If you connect one negative to positive of other battery and the negative of that battery to the positive of the first battery then both batteries with quickly drain and get hot in the process. Contrary to folklore or urban lefends, they do not explode.
When an ammeter is connected in a circuit which terminal of the battery must be connected to the positive terminal of the ammeter?
The positive terminal of the battery would be connected to the positive terminal of the ammeter. The load would then be connected between the two negative terminals, positive side of the load being connected to the negative side of the ammeter.
Why are the negative pole and positive pole terminals close in the nickel cadmium battery?
The negative and positive terminals in a nickel-cadmium battery are placed close together to reduce the internal resistance of the battery. This design ensures efficient flow of electrons between the electrodes and facilitates a quicker discharge/recharge process.
What is the driving force for the flow of electricity in battery's?
The driving force for the flow of electricity in a battery is the potential difference, or voltage, between the positive and negative terminals. When a circuit is connected, this voltage pushes electrons from the negative terminal to the positive terminal, creating an electric current.
