In case of filament lamp at higher voltages, resistance of lamp
A. decreases
B. increases
C. remains constant
D. varies depending on the filament
what is the right answer? and I need a full explanation, please.
In case of filament lamp at higher voltages, resistance of lamp A. decreases B. increases C....
The tungsten filament of an incandescent lamp has a resistance of 200 Ohms at room temperature. A) What would the resistance be at an operating temperature of 1600 C? B) Assuming it is plugged into a 120-V outlet, what is its power output when just starting up? C) By how much does its power output change from the room temperature value when it is at its operating temperature?
The decay rate for any isotope... A. Decreases linearly with time B. Increases exponentially with time C. Remains constant D. Decreases exponentially with time E. Increases linearly with time
and as the ionic charge (a) decreases, decreases (b) increases, decreases (e) increases, increases (d) decreases, increases (e) none of these? 29. If 15.35 mL of a 0.1036 M NaOH is required to neutralize 25.0 mL of a HCl solution to the phenolphthalein end point, what is the molarity of the HCI solution? e) none of these d) 0.1272 M e) 0.0636 M a) 0.1036 M b) 0.2072 M 30. Which molecules are polar? v) N2 ii) CO2 ii) HCI...
What increases/decreases the relative reactivity value in
chlorination reactions? Please answer the question below and
explain.
4. Based your previous answers consider the following substrates. Decide whether the sites marked A or B will have a higher relative reactivity value and provide a very brief explanation for your answer in each case.
Please provide explanation
The electric field shown above A. increases to the right. B. increases down C. decreases to the right D. decreases down E. is uniform
standard error typically 1. As our sample size a) decreases; increases b) decreases; decreases c) increases; increases d) ncreases; decreases e) none of the above 2. An extraneous variable that covaries with the independent variable is a a) controlled variable b) confounding variable c) correlated variable d) congregated variable e) conflated variable f)corny variable g) congressional variable
standard error typically 1. As our sample size a) decreases; increases b) decreases; decreases c) increases; increases d) ncreases; decreases e) none of...
Along a demand curve with unitary elasticity everywhere, total revenue: a. increases and then decreases as output increases b. decreases as output increases c. decreases and then increases as output increases d. remains constant as output increases e. increases as output increases
The demand for money ________ when the ________. Select one: a. increases; supply of money decreases b. increases; price level increases c. decreases; price level increases d. remains constant; price level increases e. increases; nominal interest rate increases
Which of the following statements correctly describes the relationship between the resistance of a resistor and its physical volume? Select one: a. Resistance always decreases with increasing volume b. Resistance always increases with increasing volume c. Resistance always remains constant with increasing volume d. Resistance may decrease or increase depending on whether the area or length is increasing respectively A carbon composition variable resistor may become electrically noisy due to: Select one: a. High humidity b. Low humidity c. Mechanical...
1. Other things equal, a decrease in the price level ________ the equilibrium interest rate and ________ equilibrium output. a. increases; increasesb. increases; decreasesc. decreases; increasesd. decreases; decreases