Base biasing transistor. Plzzz help! Need it urgent

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Tricaltronics

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I needed some help with base biasing transistor.

I need the equation that help me find a suitable value RB to provide a VCE of 5V, if the following info is given:

beta: 180
VBE: 0.7
VCC: 9V
RC: 1.5k ohms
 

Hi, what i realy want to know is are you using your transistor as a swich or an amplifier? But VB means base voltage.
 

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