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How does area of a wire affect resistance?
The resistance of a wire is inversely proportional to its cross-sectional area. A larger area means there is more space for electrons to flow, reducing the resistance. Conversely, a smaller area restricts electron flow and increases resistance.
What is the role of resistance in an electric circuit and how does it affect the flow of current?
Resistance in an electric circuit is the opposition to the flow of electric current. It is measured in ohms. Resistance affects the flow of current by reducing it, as higher resistance leads to lower current flow. This relationship is described by Ohm's Law, which states that current is inversely proportional to resistance in a circuit.
What is the equation for current flow?
The equation for current flow (I) in a circuit is given by Ohm's Law: I = V/R, where V is the voltage across the circuit and R is the resistance of the circuit. This equation states that the current flowing through a circuit is directly proportional to the voltage across it and inversely proportional to the resistance of the circuit.
Does temperature directly proportional or inversely proportional to the kinetic and dynamic viscosity?
Temperature is inversely proportional to the dynamic viscosity, which is the measure of a fluid's resistance to flow. As temperature increases, the dynamic viscosity of a fluid typically decreases. However, for some fluids, the kinetic viscosity, which is dynamic viscosity divided by the fluid density, can increase with temperature due to changes in the fluid's density.
Is pressure is directly proportional or inversly proportional to flow?
Pressure is inversely proportional to flow. This means that as pressure increases, flow decreases and vice versa. This relationship is described by the principles of fluid dynamics, specifically Bernoulli's principle.
What happens to current flow when the resistance is higher than normal?
For a specific voltage, current flow is inversely proportional to resistance.
What is the principles relating to blood flow and pressure and resistance?
Blood pressure = (Blood flow)(Resistance). This equation is usually found in the following form: MAP = (CO)(R) Where MAP is the mean arterial pressure CO is the cardiac output R is the peripheral resistance
What is blood flow directly proportional to?
Blood flow is directly proportional to blood pressure, vessel diameter, and heart rate. When these factors increase, blood flow also increases, and vice versa.
How medullary blood flow inversely proportional to medullary blood flow to?
blood flow inversely proportional to medullary osmolality & degree of concentration of urine. consider case 1, a) blood flow high , causes high H2O reabsorbtion in DLH, less secrn. in ALH., causes H2O accumulation in interstitium, leads to less H2O absorbn in loop of henle. leads to diluted urine. similaely opp. case
If you wire up a circuit with very thin wire what effect might this have?
less current will flow as resistance is inversely proportional to area
How does area of a wire affect resistance?
The resistance of a wire is inversely proportional to its cross-sectional area. A larger area means there is more space for electrons to flow, reducing the resistance. Conversely, a smaller area restricts electron flow and increases resistance.
What is the role of resistance in an electric circuit and how does it affect the flow of current?
Resistance in an electric circuit is the opposition to the flow of electric current. It is measured in ohms. Resistance affects the flow of current by reducing it, as higher resistance leads to lower current flow. This relationship is described by Ohm's Law, which states that current is inversely proportional to resistance in a circuit.
What will cause an increase in current flow in a simple series circuit?
An increase in voltage or a decrease in resistance will cause an increase in current flow in a simple series circuit. This is because current is directly proportional to voltage and inversely proportional to resistance according to Ohm's Law.
What is the equation for current flow?
The equation for current flow (I) in a circuit is given by Ohm's Law: I = V/R, where V is the voltage across the circuit and R is the resistance of the circuit. This equation states that the current flowing through a circuit is directly proportional to the voltage across it and inversely proportional to the resistance of the circuit.
How do the partial current behave in relation to the corresponding resistance value for parallel circuiting of resistors?
The ratio of current flow through individual branches of a parallel circuit is inversely proportional to the ratio of resistance of each branch.
What is blood flow resistance?
The resistance of blood flow is what?
When a steady voltage is across one-half as much resistance the current?
When a steady voltage is applied across a resistance, according to Ohm's Law (V = IR), if the resistance is halved, the current will double. This is because current (I) is directly proportional to voltage (V) and inversely proportional to resistance (R). Therefore, with the same voltage and reduced resistance, the flow of current increases.
