Why does the frequency change and wavelength not change in an instrument?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?