1. If R = 10k, at what temperature will the LEDs change state?
   
   
    
2. The output of this circuit will be high when V1 is ______ than V2.
   
   
    
3. The output of the circuit above will be high when V2 is ______ than V1.
   
    
4. What is the input impedance (resistance) of an ideal op amp?
   
    
5. What is the open loop gain of an ideal op amp?
   
    
6. What is the output impedance (resistance) of an ideal op amp?
   
    
7. What is the voltage gain of this circuit?
   
   
    
8. What is the gain bandwidth product of an ideal op-amp?